diff --git a/python-tomli.spec b/python-tomli.spec
index 1c02aff..bcc2cfc 100644
--- a/python-tomli.spec
+++ b/python-tomli.spec
@@ -78,7 +78,7 @@ echo '%{python3_sitelib}/%{distinfo}/' >> %{pyproject_files}
 # assert the properly built package has no runtime requires
 # if it does, we need to change the bootstrap metadata
 test -f %{buildroot}%{python3_sitelib}/tomli-%{version}.dist-info/METADATA
-! grep '^Requires-Dist:' %{buildroot}%{python3_sitelib}/tomli-%{version}.dist-info/METADATA
+grep '^Requires-Dist:' %{buildroot}%{python3_sitelib}/tomli-%{version}.dist-info/METADATA && exit 1 || true
 %pytest
 %endif