diff --git a/geojson.js b/geojson.js
index 8550a87..6bf8391 100644
--- a/geojson.js
+++ b/geojson.js
@@ -180,6 +180,9 @@
 
     for(var gtype in params.geom) {
       var val = params.geom[gtype];
+      var coordinates = [];
+      var itemClone;
+      var paths;
 
       // Geometry parameter specified as: {Point: 'coords'}
       if(typeof val === 'string' && item.hasOwnProperty(val)) {
@@ -225,12 +228,11 @@
 
       // Geometry parameter specified as: {Point: ['container.lat', 'container.lng', 'container.alt']}
       else if(Array.isArray(val) && isNested(val[0]) && isNested(val[1]) && isNested(val[2])){
-        var coordinates = [];
         for (var i = 0; i < val.length; i++) {	// i.e. 0 and 1
-          var paths = val[i].split('.');
-          var itemClone = item;
+          paths = val[i].split('.');
+          itemClone = item;
           for (var j = 0; j < paths.length; j++) {
-            if (!itemClone.hasOwnProperty(paths[j])) {
+            if (itemClone == undefined || !itemClone.hasOwnProperty(paths[j])) {
               return false;
             }
             itemClone = itemClone[paths[j]];	// Iterate deeper into the object
@@ -243,17 +245,16 @@
 
       // Geometry parameter specified as: {Point: ['container.lat', 'container.lng']}
       else if(Array.isArray(val) && isNested(val[0]) && isNested(val[1])){
-        var coordinates = [];
-        for (var i = 0; i < val.length; i++) {	// i.e. 0 and 1
-          var paths = val[i].split('.');
-          var itemClone = item;
-          for (var j = 0; j < paths.length; j++) {
-            if (!itemClone.hasOwnProperty(paths[j])) {
+        for (var k = 0; k < val.length; k++) {	// i.e. 0 and 1
+          paths = val[k].split('.');
+          itemClone = item;
+          for (var l = 0; l < paths.length; l++) {
+            if (itemClone == undefined || !itemClone.hasOwnProperty(paths[l])) {
               return false;
             }
-            itemClone = itemClone[paths[j]];	// Iterate deeper into the object
+            itemClone = itemClone[paths[l]];	// Iterate deeper into the object
           }
-          coordinates[i] = itemClone;
+          coordinates[k] = itemClone;
         }
         geom.type = gtype;
         geom.coordinates = [Number(coordinates[1]), Number(coordinates[0])];
diff --git a/geojson.min.js b/geojson.min.js
index e727334..c000d1b 100644
--- a/geojson.min.js
+++ b/geojson.min.js
@@ -1,3 +1,4 @@
 // geojson.js - v0.4.1
-// (c) 2016 Casey Thomas, MIT License 
-!function(a){function b(){var a=1<=arguments.length?[].slice.call(arguments,0):[],b=a.shift(),c=a.shift();Error.apply(this,a),this.message=this.message||"Invalid Geometry: item: "+JSON.stringify(b)+", params: "+JSON.stringify(c)}function c(a,b){var c=a||{};for(var d in b)b.hasOwnProperty(d)&&!c[d]&&(c[d]=b[d]);return c}function d(a,b){if(b.crs&&e(b.crs)&&(b.isPostgres?a.geometry.crs=b.crs:a.crs=b.crs),b.bbox&&(a.bbox=b.bbox),b.extraGlobal){a.properties={};for(var c in b.extraGlobal)a.properties[c]=b.extraGlobal[c]}}function e(a){if("name"===a.type){if(a.properties&&a.properties.name)return!0;throw new Error('Invalid CRS. Properties must contain "name" key')}if("link"===a.type){if(a.properties&&a.properties.href&&a.properties.type)return!0;throw new Error('Invalid CRS. Properties must contain "href" and "type" key')}throw new Error('Invald CRS. Type attribute must be "name" or "link"')}function f(a){a.geom={};for(var b in a)a.hasOwnProperty(b)&&-1!==m.indexOf(b)&&(a.geom[b]=a[b],delete a[b]);g(a.geom)}function g(a){for(var b in a)a.hasOwnProperty(b)&&("string"==typeof a[b]?n.push(a[b]):"object"==typeof a[b]&&(n.push(a[b][0]),n.push(a[b][1])));if(0===n.length)throw new Error("No geometry attributes specified")}function h(a){var b=a.item,c=a.params,d=a.propFunc,e={type:"Feature"};return e.geometry=j(b,c),e.properties=d.call(b),e}function i(a){return/^.+\..+$/.test(a)}function j(c,d){var e={};for(var f in d.geom){var g=d.geom[f];if("string"==typeof g&&c.hasOwnProperty(g))"GeoJSON"===f?e=c[g]:(e.type=f,e.coordinates=c[g]);else if("object"!=typeof g||Array.isArray(g))if(Array.isArray(g)&&c.hasOwnProperty(g[0])&&c.hasOwnProperty(g[1]))e.type=f,e.coordinates=[Number(c[g[1]]),Number(c[g[0]])];else if(Array.isArray(g)&&i(g[0])&&i(g[1])){for(var h=[],k=0;k<g.length;k++){for(var l=g[k].split("."),m=c,n=0;n<l.length;n++){if(!m.hasOwnProperty(l[n]))return!1;m=m[l[n]]}h[k]=m}e.type=f,e.coordinates=[Number(h[1]),Number(h[0])]}else Array.isArray(g)&&"Object"===g[0].constructor.name&&"coordinates"===Object.keys(g[0])[0]&&(e.type=f,e.coordinates=[Number(c.coordinates[g[0].coordinates.indexOf("lng")]),Number(c.coordinates[g[0].coordinates.indexOf("lat")])]);else{var o=Object.keys(g).map(function(a){var b=g[a],d=c[a];return j(d,{geom:{Point:b}})});e.type=f,e.coordinates=[].concat(o.map(function(a){return a.coordinates}))}}if(d.doThrows&&d.doThrows.invalidGeometry&&!a.isGeometryValid(e))throw new b(c,d);return e}function k(a){var b;return a.exclude||a.include?a.include?b=function(b){a.include.forEach(function(a){b[a]=this[a]},this)}:a.exclude&&(b=function(b){for(var c in this)this.hasOwnProperty(c)&&-1===n.indexOf(c)&&-1===a.exclude.indexOf(c)&&(b[c]=this[c])}):b=function(a){for(var b in this)this.hasOwnProperty(b)&&-1===n.indexOf(b)&&(a[b]=this[b])},function(){var c={};return b.call(this,c),a.extra&&l(c,a.extra),c}}function l(a,b){for(var c in b)b.hasOwnProperty(c)&&(a[c]=b[c]);return a}a.version="0.4.1",a.defaults={doThrows:{invalidGeometry:!1}},b.prototype=Error,a.errors={InvalidGeometryError:b},a.isGeometryValid=function(a){return a&&Object.keys(a).length?!!a.type&&!!a.coordinates&&Array.isArray(a.coordinates)&&!!a.coordinates.length:!1},a.parse=function(a,b,e){var g,i,j=c(b,this.defaults);return n.length=0,f(j),i=k(j),Array.isArray(a)?(g={type:"FeatureCollection",features:[]},a.forEach(function(a){g.features.push(h({item:a,params:j,propFunc:i}))}),d(g,j)):(g=h({item:a,params:j,propFunc:i}),d(g,j)),e&&"function"==typeof e?void e(g):g};var m=["Point","MultiPoint","LineString","MultiLineString","Polygon","MultiPolygon","GeoJSON"],n=[]}("object"==typeof module?module.exports:window.GeoJSON={});
\ No newline at end of file
+// (c) 2019 Casey Cesari, MIT License
+
+!function(h){function m(){var r=1<=arguments.length?[].slice.call(arguments,0):[],e=r.shift(),t=r.shift();Error.apply(this,r),this.message=this.message||"Invalid Geometry: item: "+JSON.stringify(e)+", params: "+JSON.stringify(t)}h.version="0.4.1",h.defaults={doThrows:{invalidGeometry:!1}},m.prototype=Error,h.errors={InvalidGeometryError:m},h.isGeometryValid=function(r){return!(!r||!Object.keys(r).length)&&(!!r.type&&!!r.coordinates&&Array.isArray(r.coordinates)&&!!r.coordinates.length)},h.parse=function(r,e,t){var o,n,i=function(r,e){var t=r||{};for(var o in e)e.hasOwnProperty(o)&&!t[o]&&(t[o]=e[o]);return t}(e,this.defaults);if(s.length=0,function(r){for(var e in r.geom={},r)r.hasOwnProperty(e)&&-1!==a.indexOf(e)&&(r.geom[e]=r[e],delete r[e]);!function(r){for(var e in r)r.hasOwnProperty(e)&&("string"==typeof r[e]?s.push(r[e]):"object"==typeof r[e]&&(s.push(r[e][0]),s.push(r[e][1])));if(0===s.length)throw new Error("No geometry attributes specified")}(r.geom)}(i),n=function(t){var e;t.exclude||t.include?t.include?e=function(e){t.include.forEach(function(r){e[r]=this[r]},this)}:t.exclude&&(e=function(r){for(var e in this)this.hasOwnProperty(e)&&-1===s.indexOf(e)&&-1===t.exclude.indexOf(e)&&(r[e]=this[e])}):e=function(r){for(var e in this)this.hasOwnProperty(e)&&-1===s.indexOf(e)&&(r[e]=this[e])};return function(){var r={};return e.call(this,r),t.extra&&function(r,e){for(var t in e)e.hasOwnProperty(t)&&(r[t]=e[t])}(r,t.extra),r}}(i),Array.isArray(r)?(o={type:"FeatureCollection",features:[]},r.forEach(function(r){o.features.push(p({item:r,params:i,propFunc:n}))}),u(o,i)):u(o=p({item:r,params:i,propFunc:n}),i),!t||"function"!=typeof t)return o;t(o)};var a=["Point","MultiPoint","LineString","MultiLineString","Polygon","MultiPolygon","GeoJSON"],s=[];function u(r,e){if(e.crs&&function(r){{if("name"===r.type){if(r.properties&&r.properties.name)return!0;throw new Error('Invalid CRS. Properties must contain "name" key')}if("link"!==r.type)throw new Error('Invald CRS. Type attribute must be "name" or "link"');if(r.properties&&r.properties.href&&r.properties.type)return!0;throw new Error('Invalid CRS. Properties must contain "href" and "type" key')}}(e.crs)&&(e.isPostgres?r.geometry.crs=e.crs:r.crs=e.crs),e.bbox&&(r.bbox=e.bbox),e.extraGlobal)for(var t in r.properties={},e.extraGlobal)r.properties[t]=e.extraGlobal[t]}function p(r){var e=r.item,t=r.params,o=r.propFunc,n={type:"Feature"};return n.geometry=function o(n,r){var e={};for(var t in r.geom){var i,a,s=r.geom[t],u=[];if("string"==typeof s&&n.hasOwnProperty(s))"GeoJSON"===t?e=n[s]:(e.type=t,e.coordinates=n[s]);else if("object"!=typeof s||Array.isArray(s))if(Array.isArray(s)&&n.hasOwnProperty(s[0])&&n.hasOwnProperty(s[1])&&n.hasOwnProperty(s[2]))e.type=t,e.coordinates=[Number(n[s[1]]),Number(n[s[0]]),Number(n[s[2]])];else if(Array.isArray(s)&&n.hasOwnProperty(s[0])&&n.hasOwnProperty(s[1]))e.type=t,e.coordinates=[Number(n[s[1]]),Number(n[s[0]])];else if(Array.isArray(s)&&d(s[0])&&d(s[1])&&d(s[2])){for(var p=0;p<s.length;p++){a=s[p].split("."),i=n;for(var f=0;f<a.length;f++){if(null==i||!i.hasOwnProperty(a[f]))return!1;i=i[a[f]]}u[p]=i}e.type=t,e.coordinates=[Number(u[1]),Number(u[0]),Number(u[2])]}else if(Array.isArray(s)&&d(s[0])&&d(s[1])){for(var c=0;c<s.length;c++){a=s[c].split("."),i=n;for(var y=0;y<a.length;y++){if(null==i||!i.hasOwnProperty(a[y]))return!1;i=i[a[y]]}u[c]=i}e.type=t,e.coordinates=[Number(u[1]),Number(u[0])]}else Array.isArray(s)&&"Object"===s[0].constructor.name&&"coordinates"===Object.keys(s[0])[0]&&(e.type=t,e.coordinates=[Number(n.coordinates[s[0].coordinates.indexOf("lng")]),Number(n.coordinates[s[0].coordinates.indexOf("lat")])]);else{var l=Object.keys(s).map(function(r){var e=s[r],t=n[r];return o(t,{geom:{Point:e}})});e.type=t,e.coordinates=[].concat(l.map(function(r){return r.coordinates}))}}if(r.doThrows&&r.doThrows.invalidGeometry&&!h.isGeometryValid(e))throw new m(n,r);return e}(e,t),n.properties=o.call(e),n}function d(r){return/^.+\..+$/.test(r)}}("object"==typeof module?module.exports:window.GeoJSON={});
\ No newline at end of file
diff --git a/test/test.js b/test/test.js
index d321452..9ea2ba9 100644
--- a/test/test.js
+++ b/test/test.js
@@ -481,6 +481,57 @@ describe('GeoJSON', function() {
       });
     });
 
+    it('can accept nested arguments for Point', function(done) {
+      var data = [
+        { name: 'Location A', category: 'Store', location: { point: { lat: 39.984, lng: -75.343 } } }
+      ];
+
+      GeoJSON.parse(data, { Point: ['location.point.lat', 'location.point.lng'] }, function(geojson) {
+        expect(geojson.type).to.be('FeatureCollection');
+        expect(geojson.features).to.be.an('array');
+        expect(geojson.features.length).to.be(1);
+        expect(geojson.features[0].geometry.coordinates[0]).to.equal(-75.343);
+        expect(geojson.features[0].geometry.coordinates[1]).to.equal(39.984);
+        done();
+      });
+    });
+
+    it('can handle null or undefined values when parsing nested arguments', function(done) {
+      var data = [
+        { geo: null },
+        { geo: { line: [[102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0] ] } },
+        { geo: { polygon: [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ] } },
+        { geo: { multipoint: [ [100.0, 0.0], [101.0, 1.0] ] } },
+        { geo: { multipolygon: [ 
+            [[[102.0, 2.0], [103.0, 2.0], [103.0, 3.0], [102.0, 3.0], [102.0, 2.0]]],
+            [[[100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0]],
+             [[100.2, 0.2], [100.8, 0.2], [100.8, 0.8], [100.2, 0.8], [100.2, 0.2]]]
+        ]}},
+        { geo: { multilinestring: [ [ [100.0, 0.0], [101.0, 1.0] ], [ [102.0, 2.0], [103.0, 3.0] ] ] } }
+      ];
+
+      GeoJSON.parse(data, {
+        Point: ['geo.nope.point.lng', 'geo.nope.point.lat'],
+        LineString: 'geo.nope.line',
+        Polygon: 'geo.nope.polygon',
+        MultiPoint: 'geo.nope.multipoint',
+        MultiPolygon: 'geo.nope.multipolygon',
+        MultiLineString: 'geo.nope.multilinestring'
+      }, function(geojson) {
+        expect(geojson.type).to.be('FeatureCollection');
+        expect(geojson.features).to.be.an('array');
+        expect(geojson.features.length).to.be(6);
+        expect(geojson.features[0].geometry).to.be(false);
+        expect(geojson.features[1].geometry).to.be(false);
+        expect(geojson.features[2].geometry).to.be(false);
+        expect(geojson.features[3].geometry).to.be(false);
+        expect(geojson.features[4].geometry).to.be(false);
+        expect(geojson.features[5].geometry).to.be(false);
+        done();
+      });
+
+    });
+
     it('can accept up to three arguments for Point in a nested structure', function(done) {
       var data = [
         { name: 'Location A', category: 'Store', location: { lat: 39.984, lng: -75.343, alt: 22026.46 }, street: 'Market' },