diff --git a/src/engine/runtime.js b/src/engine/runtime.js
index 13d64048f..204cd4633 100644
--- a/src/engine/runtime.js
+++ b/src/engine/runtime.js
@@ -1166,7 +1166,7 @@ class Runtime extends EventEmitter {
      */
     _convertButtonForScratchBlocks (buttonInfo) {
         // for now we only support these pre-defined callbacks handled in scratch-blocks
-        const supportedCallbackKeys = ['CREATE_LIST', 'CREATE_PROCEDURE', 'CREATE_VARIABLE'];
+        const supportedCallbackKeys = ['MAKE_A_LIST', 'MAKE_A_PROCEDURE', 'MAKE_A_VARIABLE'];
         if (supportedCallbackKeys.indexOf(buttonInfo.func) < 0) {
             log.error(`Custom button callbacks not supported yet: ${buttonInfo.func}`);
         }
diff --git a/test/unit/extension_conversion.js b/test/unit/extension_conversion.js
index bdb966e30..7c85f1578 100644
--- a/test/unit/extension_conversion.js
+++ b/test/unit/extension_conversion.js
@@ -13,7 +13,7 @@ const testExtensionInfo = {
     name: 'fake test extension',
     blocks: [
         {
-            func: 'CREATE_VARIABLE',
+            func: 'MAKE_A_VARIABLE',
             blockType: BlockType.BUTTON,
             text: 'this is a button'
         },
@@ -65,7 +65,7 @@ const testExtensionInfo = {
 
 const testButton = function (t, button) {
     t.same(button.json, null); // should be null or undefined
-    t.equal(button.xml, '<button text="this is a button" callbackKey="CREATE_VARIABLE"></button>');
+    t.equal(button.xml, '<button text="this is a button" callbackKey="MAKE_A_VARIABLE"></button>');
 };
 
 const testReporter = function (t, reporter) {