diff --git a/.azure-pipelines/azure-pipelines-build.yml b/.azure-pipelines/azure-pipelines-build.yml
index 37d5463ffc76..68ddd191186f 100644
--- a/.azure-pipelines/azure-pipelines-build.yml
+++ b/.azure-pipelines/azure-pipelines-build.yml
@@ -15,7 +15,7 @@ parameters:
   default: []
 - name: 'jobGroups'
   type: object
-  default: []
+  default: ''
 
 jobs:
 - template: azure-pipelines-image-template.yml