diff --git a/Makefile b/Makefile
index f4c0c2a3..581ed039 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
 FLAGS?=
 
 pre-commit:
-	pre-commit run --all
+	pre-commit run --all --show-diff-on-failure
 
 test: pre-commit
 	python -Wd -m pytest -s -vv $(FLAGS) ./tests/