diff --git a/extensions/Skyhigh173/touch.js b/extensions/Skyhigh173/touch.js
index 3603fe7655..d0beb913fc 100644
--- a/extensions/Skyhigh173/touch.js
+++ b/extensions/Skyhigh173/touch.js
@@ -358,7 +358,7 @@
 
     _touchingFinger(finger, target) {
       if (!finger) {
-        return;
+        return false;
       }
 
       const bounds = this._getCanvasBounds();