diff --git a/scripts/grt/upload.py b/scripts/grt/upload.py
index aa978456bf6..1ff18e0982f 100644
--- a/scripts/grt/upload.py
+++ b/scripts/grt/upload.py
@@ -33,9 +33,8 @@ def main(argv):
         with open(args.grt_config) as handle:
             config = yaml.safe_load(handle)
     except Exception:
-        logging.warning('Using default GRT configuration')
-        with open(sample_config) as handle:
-            config = yaml.safe_load(handle)
+        logging.error('Could not parse GRT configuration')
+        sys.exit(1)
 
     REPORT_DIR = args.report_directory
     GRT_URL = config['grt']['url'].rstrip('/') + '/'