diff --git a/infra/azure/azure-pipelines.yml b/infra/azure/azure-pipelines.yml
index fe08ebd0d1..d412af5311 100644
--- a/infra/azure/azure-pipelines.yml
+++ b/infra/azure/azure-pipelines.yml
@@ -6,10 +6,7 @@ pool:
   vmImage: 'ubuntu-20.04'
 
 variables:
-  groups:
-   - 1
-   - 2
-   - 3
+  - groups: [1, 2, 3]
 
 stages: