Windows needs quotes
diff --git a/.github/workflows/maven_adhoc.yml b/.github/workflows/maven_adhoc.yml
index 5025ae1..1f3f209 100644
--- a/.github/workflows/maven_adhoc.yml
+++ b/.github/workflows/maven_adhoc.yml
@@ -40,4 +40,4 @@
         java-version: 8
     - name: Test NET710
       run: |
-        mvn -V --batch-mode --file pom.xml --no-transfer-progress test -Dnet.version=${{ matrix.tag }}
+        mvn -V --batch-mode --file pom.xml --no-transfer-progress test "-Dnet.version=${{ matrix.tag }}"