diff --git a/src/lib/opcode-labels.js b/src/lib/opcode-labels.js
index b0055c347..c4fa07bcf 100644
--- a/src/lib/opcode-labels.js
+++ b/src/lib/opcode-labels.js
@@ -36,7 +36,11 @@ const opcodeMap = {
         category: 'data',
         labelFn: params => params.VARIABLE
     },
-
+    data_listcontents: {
+        category: 'data',
+        labelFn: params => params.LIST
+    },
+    
     // Sound
     sound_volume: {
         category: 'sound',