diff --git a/.github/workflows/staging-migrations.yaml b/.github/workflows/staging-migrations.yaml
index 9872f08f..06f2204f 100644
--- a/.github/workflows/staging-migrations.yaml
+++ b/.github/workflows/staging-migrations.yaml
@@ -18,8 +18,12 @@ jobs:
         id: check_changes
         run: |
           if git show-ref --verify --quiet refs/remotes/origin/main; then
-            if git diff --name-only origin/main...HEAD | grep -q '^migrations/'; then
-              echo "changes=true" >> $GITHUB_ENV
+            if git merge-base --is-ancestor origin/main HEAD; then
+              if git diff --name-only origin/main...HEAD | grep -q '^migrations/'; then
+                echo "changes=true" >> $GITHUB_ENV
+              else
+                echo "changes=false" >> $GITHUB_ENV
+              fi
             else
               echo "changes=false" >> $GITHUB_ENV
             fi