diff --git a/pxtarget.json b/pxtarget.json
index 51ccb3bb..2ba8fef1 100644
--- a/pxtarget.json
+++ b/pxtarget.json
@@ -60,7 +60,8 @@
       "mathBlocks": true,
       "loopsBlocks": true,
       "logicBlocks": true,
-      "variablesBlocks": true
+      "variablesBlocks": true,
+      "listsBlocks": true
     },
     "simulator": {
         "autoRun": true