diff --git a/pyproject.toml b/pyproject.toml
index 2d12c84..d051ee8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -115,7 +115,7 @@ poetry build || code=1
 echo "\nRunning poetry check:"
 poetry check || code=1
 
-${ci:+git diff --exit-code}
+${ci:+git diff --exit-code} || code=1
 
 exit $code
 """