diff --git a/packages/util/src/environment.ts b/packages/util/src/environment.ts
index 7beb40efded..9e54d228125 100644
--- a/packages/util/src/environment.ts
+++ b/packages/util/src/environment.ts
@@ -138,7 +138,7 @@ export function isNodeSdk(): boolean {
 export function isSafari(): boolean {
   return (
     !isNode() &&
-    navigator.userAgent !== undefined &&
+    navigator.userAgent &&
     navigator.userAgent.includes('Safari') &&
     !navigator.userAgent.includes('Chrome')
   );