diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fc21ff6..873cbf6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,19 +27,16 @@ jobs:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
-          ref: ${{ (github.event_name == 'workflow_dispatch' || github.event_name == 'workflow_call') && inputs.tag || github.ref }}
+          ref: ${{ inputs.tag || github.ref }}
 
       - name: Validate plugin metadata
         shell: bash
+        env:
+          RELEASE_TAG: ${{ inputs.tag || github.ref_name }}
         run: |
           set -euo pipefail
 
-          tag="${GITHUB_REF_NAME}"
-          if [[ "${GITHUB_EVENT_NAME}" == "workflow_dispatch" ]]; then
-            tag="${{ inputs.tag }}"
-          elif [[ "${GITHUB_EVENT_NAME}" == "workflow_call" ]]; then
-            tag="${{ inputs.tag }}"
-          fi
+          tag="${RELEASE_TAG}"
 
           if [[ ! "$tag" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-[0-9A-Za-z.-]+)?$ ]]; then
             echo "Release tags must use internal SemVer format, for example v0.1.0: $tag" >&2