diff --git a/index.html b/index.html
index ff3a1017..d7f7e4cf 100644
--- a/index.html
+++ b/index.html
@@ -7206,6 +7206,7 @@
         currentElement = "sand";
         currentColor = "#ff0000";
         mouseIsDown = false;
+        isMobile = false;
         mouseType = null;
         function mouseClick(e) {
             if (showingMenu && currentElement != "lookup") {