diff --git a/client/js/libs/slideout.js b/client/js/libs/slideout.js
index ef95f1dd..522cc448 100644
--- a/client/js/libs/slideout.js
+++ b/client/js/libs/slideout.js
@@ -5,7 +5,7 @@ export default function slideoutMenu(viewport, menu) {
 	var touchStartPos = null;
 	var touchCurPos = null;
 	var touchStartTime = 0;
-	var menuWidth = parseFloat(window.getComputedStyle(menu).width);
+	var menuWidth = 0;
 	var menuIsOpen = false;
 	var menuIsMoving = false;
 
@@ -27,6 +27,8 @@ export default function slideoutMenu(viewport, menu) {
 		var touch = e.touches.item(0);
 		viewport.classList.toggle("menu-dragging", true);
 
+		menuWidth = parseFloat(window.getComputedStyle(menu).width);
+
 		if ((!menuIsOpen && touch.screenX < 50) || (menuIsOpen && touch.screenX > menuWidth)) {
 			touchStartPos = touch;
 			touchCurPos = touch;