diff --git a/src/external_app/external_auth.ts b/src/external_app/external_auth.ts
index f1624e77d6..cf7cf41804 100644
--- a/src/external_app/external_auth.ts
+++ b/src/external_app/external_auth.ts
@@ -68,8 +68,14 @@ export class ExternalAuth extends Auth {
 
   public async refreshAccessToken(force?: boolean) {
     if (this._tokenCallbackPromise && !force) {
-      await this._tokenCallbackPromise;
-      return;
+      try {
+        await this._tokenCallbackPromise;
+        return;
+      } catch (e) {
+        // _tokenCallbackPromise is in a rejected state
+        // Clear the _tokenCallbackPromise and go on refreshing access token
+        this._tokenCallbackPromise = undefined;
+      }
     }
     const payload: GetExternalAuthPayload = {
       callback: CALLBACK_SET_TOKEN,