diff --git a/.gitignore b/.gitignore
index 61373af..4dea5f2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 build
 *.node
 .lock-wscript
+.DS_Store
+
diff --git a/src/node_dbus_convert.hpp b/src/node_dbus_convert.hpp
index a9cf944..2de2c63 100644
--- a/src/node_dbus_convert.hpp
+++ b/src/node_dbus_convert.hpp
@@ -139,6 +139,9 @@ struct v8_sink {
         case DBUS_TYPE_BOOLEAN:
             dst_->Set(idx_++, v8::Boolean::New(it.get<bool>()));
             break;
+        case DBUS_TYPE_DOUBLE:
+            dst_->Set(idx_++, v8::Number::New(it.get<double>()));
+            break;
         case DBUS_TYPE_INT32:
             dst_->Set(idx_++, v8::Integer::New(it.get<int32_t>()));
             break;
@@ -196,6 +199,9 @@ class dbus_sink {
             } else if ((*it)->IsUint32()) {
                 uint32_t v = (*it)->Uint32Value();
                 dbus_message_iter_append_basic( & it_, DBUS_TYPE_UINT32, & v);
+            } else if ((*it)->IsNumber()) {
+                double v = (*it)->NumberValue();
+                dbus_message_iter_append_basic( & it_, DBUS_TYPE_DOUBLE, & v);
             } else if ((*it)->IsString()) {
                 v8::String::Utf8Value v((*it)->ToString());
                 const char * str = *v;