diff --git a/playground/index.html b/playground/index.html
index bbfc8032..e8b98014 100644
--- a/playground/index.html
+++ b/playground/index.html
@@ -404,7 +404,7 @@
       <category name="Data" colour="#FF8C1A" custom="VARIABLE">
       </category>
       <category name="Lists" colour="#FF8C1A">
-        <block type="data_list"></block>
+        <block type="data_listcontents"></block>
         <block type="data_addtolist">
           <value name="ITEM">
             <shadow type="text">