diff --git a/scripts/validate-commit-messages.py b/scripts/validate-commit-messages.py
index 54edcb7efd..be6e0ef640 100755
--- a/scripts/validate-commit-messages.py
+++ b/scripts/validate-commit-messages.py
@@ -49,7 +49,7 @@ def pluralize(value, singular="", plural="s"):
     if re.search(r"^(build|chore|ci|docs|feat|fix|perf|refactor|style|test)(\([a-z]+\))?: .*$", lines[0],) is None:
         errors.append("First line does not match format")
 
-    if re.search(r"^[a-z:]+: (a-z).*$", lines[0],) is None:
+    if re.search(r"^[^:]: [a-z].*$", lines[0],) is None:
         errors.append("First letter in commit message description is not lowercase.")
 
     if len(lines) > 1 and lines[1]: