diff --git a/src/main/webapp/WEB-INF/jsp/index.jsp b/src/main/webapp/WEB-INF/jsp/index.jsp
index 9a56d2f0..3f349808 100644
--- a/src/main/webapp/WEB-INF/jsp/index.jsp
+++ b/src/main/webapp/WEB-INF/jsp/index.jsp
@@ -59,7 +59,7 @@
     	    }
     	}
     	const BROWSER_NAME = getBrowserName();
-    	const VERTICAL_SCROLL_HEIGHT = 15;
+    	var VERTICAL_SCROLL_HEIGHT = 15;
     	switch(BROWSER_NAME){
     		case "EDGE" :
     			VERTICAL_SCROLL_HEIGHT = 15;