diff --git a/apps/browser/src/autofill/utils/index.ts b/apps/browser/src/autofill/utils/index.ts
index d62013b161..ad9fa3a9a8 100644
--- a/apps/browser/src/autofill/utils/index.ts
+++ b/apps/browser/src/autofill/utils/index.ts
@@ -105,7 +105,7 @@ export async function sendExtensionMessage(
   command: string,
   options: Record<string, any> = {},
 ): Promise<any> {
-  if (typeof browser !== "undefined") {
+  if (typeof browser?.runtime?.sendMessage !== "undefined") {
     return browser.runtime.sendMessage({ command, ...options });
   }