diff --git a/.github/workflows/integration-windows.yaml b/.github/workflows/integration-windows.yaml
index be824c853..d7b3ce01b 100644
--- a/.github/workflows/integration-windows.yaml
+++ b/.github/workflows/integration-windows.yaml
@@ -40,4 +40,4 @@ jobs:
         with:
           credentials_json: ${{ secrets.JSON_SERVICE_ACCOUNT_CREDENTIALS }}
       - name: Run integration tests
-        run: mvn verify -B -D clirr.skip=true -D it.test=ITNpgsqlTest -D skipITs=false -D skipUnits=true -D PG_ADAPTER_INSTANCE="$GOOGLE_CLOUD_INSTANCE" -D PG_ADAPTER_DATABASE="$GOOGLE_CLOUD_DATABASE"
+        run: mvn verify -B -D clirr.skip=true -D it.test=ITNpgsqlTest -D skipITs=false -D skipUnits=true -D PG_ADAPTER_INSTANCE=%GOOGLE_CLOUD_INSTANCE% -D PG_ADAPTER_DATABASE=%GOOGLE_CLOUD_DATABASE%