diff --git a/Stacker.jack b/Stacker.jack
index 6148ab6..59229a6 100644
--- a/Stacker.jack
+++ b/Stacker.jack
@@ -30,6 +30,7 @@ class Stacker {
       do Output.moveCursor(15, 17);
       do Output.printString(menuStr[3]);
 
+      let key = 0;
       while (key = 0) {
         let key = Keyboard.keyPressed();
       }