diff --git a/.github/workflows/extension-release-published.yml b/.github/workflows/extension-release-published.yml
index d238e9dc..e6960efa 100644
--- a/.github/workflows/extension-release-published.yml
+++ b/.github/workflows/extension-release-published.yml
@@ -146,6 +146,7 @@ jobs:
                       -Dclassifiers=,sources,javadoc,
 
   deploy_xsd:
+    if: inputs.nameSpace != ''
     name: Upload xsds
     runs-on: ubuntu-20.04
     steps: