From d02b802e6a22fde48b00bca98550cefe6ec88603 Mon Sep 17 00:00:00 2001
From: Mark Franceschelli <39063664+mfrances17@users.noreply.github.com>
Date: Mon, 9 Oct 2023 10:17:48 -0400
Subject: [PATCH] fix(BackToTop): fix null exception on load (#9665)

---
 .../src/components/BackToTop/BackToTop.tsx         | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/packages/react-core/src/components/BackToTop/BackToTop.tsx b/packages/react-core/src/components/BackToTop/BackToTop.tsx
index 48d82742a41..2651bc6731f 100644
--- a/packages/react-core/src/components/BackToTop/BackToTop.tsx
+++ b/packages/react-core/src/components/BackToTop/BackToTop.tsx
@@ -34,12 +34,14 @@ const BackToTopBase: React.FunctionComponent<BackToTopProps> = ({
   const [scrollElement, setScrollElement] = React.useState(null);
 
   const toggleVisible = () => {
-    const scrolled = scrollElement.scrollY ? scrollElement.scrollY : scrollElement.scrollTop;
-    if (!isAlwaysVisible) {
-      if (scrolled > 400) {
-        setVisible(true);
-      } else {
-        setVisible(false);
+    if (scrollElement) {
+      const scrolled = scrollElement.scrollY ? scrollElement.scrollY : scrollElement.scrollTop;
+      if (!isAlwaysVisible) {
+        if (scrolled > 400) {
+          setVisible(true);
+        } else {
+          setVisible(false);
+        }
       }
     }
   };