diff --git a/.github/workflows/path_sync_validate.yaml b/.github/workflows/path_sync_validate.yaml
index a8ce38c..eb9ab23 100644
--- a/.github/workflows/path_sync_validate.yaml
+++ b/.github/workflows/path_sync_validate.yaml
@@ -6,6 +6,10 @@ on:
     branches-ignore:
       - main
       - 'sync/**'
+  pull_request:
+    branches-ignore:
+      - main
+      - 'sync/**'
 
 jobs:
   validate:
@@ -16,4 +20,6 @@ jobs:
           fetch-depth: 0
       - uses: ./.github/actions/setup
       - name: Validate no changes to synced files
-        run: uvx path-sync validate-no-changes -b main
+        env:
+          GITHUB_BASE_REF: ${{ github.base_ref || 'main' }}
+        run: uvx path-sync validate-no-changes
diff --git a/justfile b/justfile
index 3c03ebb..bf1b86c 100644
--- a/justfile
+++ b/justfile
@@ -37,7 +37,7 @@ vulture:
 
 # === DO_NOT_EDIT: path-sync path-sync ===
 path-sync-validate:
-  uv run path-sync validate-no-changes -n python-template
+  uv run path-sync validate-no-changes
 # === OK_EDIT: path-sync path-sync ===
 
 # === DO_NOT_EDIT: path-sync coverage ===