diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c602d279..3a91f71f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -33,6 +33,7 @@ repos:
       - id: black
         language_version: python3
         args:
+          - --diff
           - --skip-string-normalization
 
   - repo: https://github.com/codespell-project/codespell