diff --git a/.github/workflows/pull-request.yaml b/.github/workflows/pull-request.yaml
index 6d867002d0..1e6acb7bfa 100644
--- a/.github/workflows/pull-request.yaml
+++ b/.github/workflows/pull-request.yaml
@@ -37,9 +37,9 @@ jobs:
             ir  # old IR updates
             venom
           requireScope: true
-          subjectPattern: '^(?[a-z]).+$'
+          subjectPattern: '^(?![A-Z]).+$'
           subjectPatternError: |
-            "Starts with non-lowercase letter: `{subject}`"
+            "Starts with uppercase letter: `{subject}`"
           headerPattern: '^(\w*)(?:\[([\w$.\-*/ ]*)\])?: (.*)$'
           validateSingleCommit: true
           validateSingleCommitMatchesPrTitle: true