diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 17ce136fd..c1c987536 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -3,6 +3,8 @@
     hooks:
     -   id: yapf
         files: ^(telegram|tests)/.*\.py$
+        args:
+        - --diff
 -   repo: git://github.com/pre-commit/pre-commit-hooks
     sha: 18d7035de5388cc7775be57f529c154bf541aab9
     hooks: