diff --git a/dev/External/ifvisible.js b/dev/External/ifvisible.js
index 22a719daa..2c94ea859 100644
--- a/dev/External/ifvisible.js
+++ b/dev/External/ifvisible.js
@@ -17,7 +17,7 @@
 		init = () => {
 			init = ()=>{};
 			// Safari
-			addEventListener('pagehide', status = "hidden");
+			addEventListener('pagehide', () => status = "hidden");
 			// Else
 			doc.addEventListener("visibilitychange", () => {
 				status = doc.visibilityState;