1 files changed, 1 insertions, 1 deletions

diff --git a/src/features/webControls/components/WebControls.js b/src/features/webControls/components/WebControls.js
index 417ebb0b0..9a95eb2d2 100644
--- a/src/features/webControls/components/WebControls.js
+++ b/src/features/webControls/components/WebControls.js
@@ -38,7 +38,7 @@ const messages = defineMessages({
 
 let buttonTransition = 'none';
 
-if (window.matchMedia('(prefers-reduced-motion: no-preference)')) {
+if (window && window.matchMedia('(prefers-reduced-motion: no-preference)')) {
   buttonTransition = 'opacity 0.25s';
 }