diff --git a/.github/workflows/verify-plugin-export.yaml b/.github/workflows/verify-plugin-export.yaml
index 4e62f35..4de74e0 100644
--- a/.github/workflows/verify-plugin-export.yaml
+++ b/.github/workflows/verify-plugin-export.yaml
@@ -1,6 +1,7 @@
 name: Verify Plugin Export
 
 on:
+  pull_request:
   schedule:
     - cron: '17 3 * * *'
   workflow_dispatch:
@@ -28,7 +29,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
-          ref: ${{ inputs.branch || github.ref_name }}
+          ref: ${{ inputs.branch || '' }}
 
       - name: Set up Node
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
@@ -75,7 +76,7 @@ jobs:
       - name: Checkout rhdh-cli
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
-          ref: ${{ inputs.branch || github.ref_name }}
+          ref: ${{ inputs.branch || '' }}
           path: rhdh-cli
 
       - name: Set up Node
@@ -100,7 +101,10 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           repository: redhat-developer/rhdh-plugin-export-overlays
-          ref: ${{ inputs.branch || github.ref_name }}
+          # For manual dispatched runs, use the input variable.
+          # For PRs, github.base_ref is the target branch (e.g. main or release-1.10).
+          # For schedule jobs where base_ref is empty, it falls back to github.ref_name.
+          ref: ${{ inputs.branch || github.base_ref || github.ref_name }}
           path: overlays
 
       - name: Clone source repo and run exports