diff --git a/.github/actions/assemble-release/action.yml b/.github/actions/assemble-release/action.yml
index 318a748..81f5e8a 100644
--- a/.github/actions/assemble-release/action.yml
+++ b/.github/actions/assemble-release/action.yml
@@ -44,7 +44,7 @@ runs:
       run: |
         shopt -s nocaseglob # so globs are case-insensitive
         shopt -s globstar
-        shopt -s null_glob
+        shopt -s nullglob
         mkdir -p ${{ env.RELEASE_STAGING  }}   
         cp -r -v ${{ inputs.artifacts }} ${{ env.RELEASE_STAGING }}
         cd ${{ env.RELEASE_STAGING }}