diff --git a/deploy/action.yml b/deploy/action.yml
index 624e9da..19f9757 100644
--- a/deploy/action.yml
+++ b/deploy/action.yml
@@ -54,8 +54,9 @@ runs:
     - name: Register Pangolin resource
       shell: bash
       run: |
+        REPO_SLUG="${GITHUB_REPOSITORY//\//-}"
         bash ${{ github.action_path }}/pangolin-upsert.sh \
           --subdomain "${{ inputs.subdomain }}" \
           --port "${{ inputs.port }}" \
-          --resource-name "${{ inputs.app-name }}-${{ inputs.tag }}" \
+          --resource-name "${REPO_SLUG}-${{ inputs.tag }}" \
           --target-ip "$PANGOLIN_TARGET_IP"