diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 28a5626e56f2..25dbf1c2096c 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -53,7 +53,7 @@ jobs:
   steps:
   - checkout: none
   - bash: |
-      mkdir $(Build.StagingDirectory)/test-signing
+      mkdir -p '$(Build.StagingDirectory)'/test-signing
   - task: DownloadPipelineArtifact@0
     inputs:
       artifactName: test-signing