diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a147d503..69632440 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,6 +28,6 @@ python_formatter:
   script:
   - which autopep8 || pip install autopep8
   - which git || apt update && apt install -y git
-  - for i in `git show HEAD | egrep "new file|modified" | grep ".eb" | cut -d ":" -f 2 | cut -d " " -f 4`; do echo $i; autopep8 --in-place --aggressive --aggressive "$i"; done 
+  - for i in `git whatchanged -4 | egrep "new|modified" | grep ".eb" | cut -d ":" -f 2 | cut -d " " -f 4`; do echo $i; autopep8 --in-place --aggressive --aggressive "$i"; done 
   only:
   - master