diff --git a/action.yml b/action.yml
index a2833d7..aba789a 100644
--- a/action.yml
+++ b/action.yml
@@ -64,7 +64,7 @@ runs:
       run: |
         if [[ "${{ github.ref }}" == "refs/tags/"* ]]; then
           export REF=${{ github.ref }}
-          TAG=${REF/refs\/tags\${{ inputs.strip_tag_prefix }}//}
+          TAG=${REF/refs\/tags\/${{ inputs.strip_tag_prefix }}/}
           echo "::set-output name=tag::$TAG"
         fi
       shell: bash