diff --git a/tests/renderer/utils.py b/tests/renderer/utils.py
index 657b1aa61627b13dee952d974ded3e7614afaec4..2a0d50568cf4e665b9d5e9569da76e61c5c91f39 100644
--- a/tests/renderer/utils.py
+++ b/tests/renderer/utils.py
@@ -474,6 +474,7 @@ def run_renderer(
                 record_property(k, v)
 
         if output_differs_parts[0]:
+            logging.error(f"Command line was: {' '.join(cmd)}")
             pytest.fail(f"Output differs: ({reason_parts[0]})")
 
         # compare metadata files in case of MASA prerendering