diff --git a/.gitlab-ci/check-commit-log.sh b/.gitlab-ci/check-commit-log.sh
index b5e7bae08..ae696eb8b 100755
--- a/.gitlab-ci/check-commit-log.sh
+++ b/.gitlab-ci/check-commit-log.sh
@@ -32,6 +32,11 @@ function commit_message_subject_is_compliant() {
     return 1
   fi
 
+  if echo "$commit_message_subject" | grep -qe "\.[ch]:"; then
+    echo " - message subject prefix should not include .c, .h, etc."
+    return 1
+  fi
+
   return 0
 }