diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js b/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js
index a494066ea..e78191d65 100755
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js
@@ -553,20 +553,26 @@ RED.palette = (function() {
             sidebarControls.stop(false,true);
             sidebarControls.hide();
         })
-
-        var categoryList = coreCategories;
+        var userCategories = [];
         if (RED.settings.paletteCategories) {
-            categoryList = RED.settings.paletteCategories;
+            userCategories = RED.settings.paletteCategories;
         } else if (RED.settings.theme('palette.categories')) {
-            categoryList = RED.settings.theme('palette.categories');
+            userCategories = RED.settings.theme('palette.categories');
         }
-        if (!Array.isArray(categoryList)) {
-            categoryList = coreCategories
+        if (!Array.isArray(userCategories)) {
+            userCategories = [];
         }
-        categoryList.forEach(function(category){
+
+        var addedCategories = {};
+        userCategories.forEach(function(category){
+            addedCategories[category] = true;
             createCategoryContainer(category, escapeCategory(category), "palette.label."+escapeCategory(category));
         });
-
+        coreCategories.forEach(function(category){
+            if (!addedCategories[category]) {
+                createCategoryContainer(category, escapeCategory(category), "palette.label."+escapeCategory(category));
+            }
+        });
 
         var paletteFooterButtons = $('<span class="button-group"></span>').appendTo("#red-ui-palette .red-ui-component-footer");
         var paletteCollapseAll = $('<button type="button" class="red-ui-footer-button"><i class="fa fa-angle-double-up"></i></button>').appendTo(paletteFooterButtons);