diff --git a/.github/workflows/clang-format.yml b/.github/workflows/clang-format.yml
index 33eed8c28..db96de16a 100644
--- a/.github/workflows/clang-format.yml
+++ b/.github/workflows/clang-format.yml
@@ -29,8 +29,11 @@ jobs:
             old_fname="$(echo -e ${fname})"
             new_fname="$(echo -e "${fname}" | tr ' ' '_')"
             new_fname="$(echo -e "${new_fname}" | tr 'A-Z' 'a-z')"
-            echo "${old_fname} --> ${new_fname}"
-            git mv ${old_fname} ${new_fname}
+            if [$old_fname != $new_fname]
+            then
+              echo "${old_fname} --> ${new_fname}"
+              git mv ${old_fname} ${new_fname}
+            fi
           done
           git commit -am "formatting filenames $GITHUB_SHA" ||  true
       - name: Clang Formatter