diff --git a/dotnet/.azure-pipeline/nightly-build.yml b/dotnet/.azure-pipeline/nightly-build.yml
index 446bf3c4e765..0674572bd592 100644
--- a/dotnet/.azure-pipeline/nightly-build.yml
+++ b/dotnet/.azure-pipeline/nightly-build.yml
@@ -26,7 +26,7 @@ stages:
   - job: Build
     displayName: Build
     pool:
-      vmImage: 'ubuntu-latest'
+      name: VSEngSS-MicroBuild2022-1ES
     workspace:
       clean: all