diff --git a/src/frontend/app/store/effects/api.effects.ts b/src/frontend/app/store/effects/api.effects.ts
index 12c45493fd..a53dde1996 100644
--- a/src/frontend/app/store/effects/api.effects.ts
+++ b/src/frontend/app/store/effects/api.effects.ts
@@ -222,13 +222,21 @@ export class APIEffect {
         const endpoint = resData ? resData[cfGuid] as JetStreamError : null;
         const succeeded = !endpoint || !endpoint.error;
         const errorCode = endpoint && endpoint.error ? endpoint.error.statusCode.toString() : '500';
-        const errorResponse = endpoint ? endpoint.errorResponse : { code: 0, description: 'Unknown', error_code: '0' };
+        let errorResponse = null;
+        if (!succeeded) {
+          errorResponse = endpoint && (typeof endpoint.errorResponse !== 'string') ?
+            endpoint.errorResponse : {} as JetStreamCFErrorResponse;
+          // Use defaults if values are not provided
+          errorResponse.code = errorResponse.code || 0;
+          errorResponse.description = errorResponse.description || 'Unknown';
+          errorResponse.error_code = errorResponse.error_code || '0';
+        }
         return {
           error: !succeeded,
           errorCode: succeeded ? '200' : errorCode,
           guid: cfGuid,
           url: action.options.url,
-          errorResponse: succeeded ? null : errorResponse,
+          errorResponse: errorResponse,
         };
       });
   }