diff --git a/app/src/flux/mailsync-bridge.ts b/app/src/flux/mailsync-bridge.ts
index 5bc280d8a..953bb06a5 100644
--- a/app/src/flux/mailsync-bridge.ts
+++ b/app/src/flux/mailsync-bridge.ts
@@ -312,6 +312,7 @@ export default class MailsyncBridge {
       const isAuthFailure =
         `${error}`.includes('Response Code: 401') || // mailspring services
         `${error}`.includes('Response Code: 403') || // mailspring services
+        `${error}`.includes('invalid_grant') || // Google
         `${error}`.includes('ErrorAuthentication'); // mailcore
 
       if (this._crashTracker.tooManyFailures(fullAccountJSON)) {