diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index e01593d13..c02b0f420 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -44,18 +44,20 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
 
       - name: Validate Tag
         run: |
             MSG=$(git log --format=%B -n 1 ${{github.event.after}})
-            TAG=$(echo MSG | sed 's/\[\(.*\)\].*/\1/')
+            TAG=$(echo $MSG | sed 's/\[\(.*\)\].*/\1/')
             echo "Found tag {$TAG}"
             LINE=$(cat .codegen/changelog_config.yml | grep "tag: \"\[$(echo $TAG)\]\"")
             VALID=$([ -z "$TAG" ] && echo "False" || echo "True")
             echo "::set-env name=VALID_TAG::${TAG}"
 
       - name: Valid Tag
-        if: ${{VALID}} != "true"
+        if: ${{env.VALID_TAG}} != "true"
         uses: actions/github-script@v3
         with:
           script: |