diff --git a/src/utils/isFirefox.ts b/src/utils/isFirefox.ts
index 871180a7..0ce0c3a1 100644
--- a/src/utils/isFirefox.ts
+++ b/src/utils/isFirefox.ts
@@ -1,3 +1,2 @@
-const isFF = typeof navigator === 'object' && /Firefox/i.test(navigator.userAgent);
-
+const isFF = typeof navigator !== 'undefined' && /Firefox/i.test(navigator.userAgent);
 export default isFF;