diff --git a/ui/src/utils/sort.js b/ui/src/utils/sort.js
index 4934c887b351..b2f3d5451cae 100644
--- a/ui/src/utils/sort.js
+++ b/ui/src/utils/sort.js
@@ -23,7 +23,7 @@ function filterNumber (value) {
 }
 
 function stringComparator (a, b) {
-  return a.localeCompare(b)
+  return a.toString().localeCompare(b.toString())
 }
 
 function numericComparator (a, b) {