diff --git a/build/azure-pipelines/distro-build.yml b/build/azure-pipelines/distro-build.yml
index dad6c24942..1d95842ced 100644
--- a/build/azure-pipelines/distro-build.yml
+++ b/build/azure-pipelines/distro-build.yml
@@ -1,3 +1,6 @@
+pool:
+  vmImage: 'Ubuntu-16.04'
+
 trigger:
   branches:
     include: ['master', 'release/*']