diff --git a/.github/workflows/integration.yaml b/.github/workflows/integration.yaml
index 3a5371562..b74a5f646 100644
--- a/.github/workflows/integration.yaml
+++ b/.github/workflows/integration.yaml
@@ -85,7 +85,7 @@ jobs:
       - name: Check filename rules
         if: ${{ steps.pr-labels.outputs.has_maintenance != 'true' }}
         run: |
-          files=$(git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | tr -d '"')
+          files=$(git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }} | tr -d '"')
           pr_author="${{ github.event.pull_request.user.login }}"
           success=true
 
diff --git a/alien-dictionary/hc-kang.js b/alien-dictionary/hc-kang.js
new file mode 100644
index 000000000..81fe0ca8d
--- /dev/null
+++ b/alien-dictionary/hc-kang.js
@@ -0,0 +1,4 @@
+/**
+ * hihi
+ */
+console.log('hi');
diff --git a/best-time-to-buy-and-sell-stock/hc-kang.js b/best-time-to-buy-and-sell-stock/hc-kang.js
new file mode 100644
index 000000000..81fe0ca8d
--- /dev/null
+++ b/best-time-to-buy-and-sell-stock/hc-kang.js
@@ -0,0 +1,4 @@
+/**
+ * hihi
+ */
+console.log('hi');