diff --git a/.github/workflows/run-validation.yml b/.github/workflows/run-validation.yml
index f708a33..78ee3ea 100644
--- a/.github/workflows/run-validation.yml
+++ b/.github/workflows/run-validation.yml
@@ -553,7 +553,7 @@ jobs:
         uses: ./
         with:
           appSourcePath: '${{ github.workspace }}/oryx/tests/SampleApps/DotNetCore/NetCore6PreviewWebApp'
-          containerAppName: ${{ env.TEST_EXISTING_CONTAINER_APP }}
+          containerAppName: ${{ env.TEST_CONTAINER_APP_NAME }}
           resourceGroup: ${{ vars.TEST_RESOURCE_GROUP_NO_ACR_NAME }}
           disableTelemetry: ${{ vars.TEST_DISABLE_TELEMETRY }}