diff --git a/.github/workflows/clang_format.yml b/.github/workflows/clang_format.yml
index 99cb6e1b3..56f2fd8d5 100644
--- a/.github/workflows/clang_format.yml
+++ b/.github/workflows/clang_format.yml
@@ -32,5 +32,8 @@ jobs:
           then
               echo "Some files are not well formatted:"
               echo $modified_files
+              echo ""
+              echo "The diff is:"
+              git diff
               exit 1
           fi