diff --git a/.github/workflows/login-container.yml b/.github/workflows/login-container.yml
index 0d8cab84d0..6861b6a946 100644
--- a/.github/workflows/login-container.yml
+++ b/.github/workflows/login-container.yml
@@ -13,7 +13,7 @@ on:
     outputs:
       login_build_image:
           description: 'The full image tag of the standalone login image'
-          value: '${{ inputs.login_build_image_name }}:${{ github.sha }}'
+          value: '${{ inputs.login_build_image_name }}:${{ github.event.pull_request.head.sha }}'
 
 permissions:
   packages: write