diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 242496af912..21fc9422789 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -32,5 +32,4 @@ jobs:
         cd nuttx
         commits=`git log -1 --merges --pretty=format:%P | awk -F" " '{ print $1 ".." $2 }'`
         git log --oneline $commits
-        echo "../nuttx/tools/checkpatch.sh -g $commits"
-        ../nuttx/tools/checkpatch.sh -g $commits
+        git diff $commits | ../nuttx/tools/checkpatch.sh -