diff --git a/scripts/azure-pipeline.vs.yaml b/scripts/azure-pipeline.vs.yaml
index 722670f97..4575cfe99 100644
--- a/scripts/azure-pipeline.vs.yaml
+++ b/scripts/azure-pipeline.vs.yaml
@@ -17,7 +17,7 @@ steps:
 
 - script: dir
 
-- script: "C:\\Program\ Files\ (x86)\\Microsoft\ Visual\ Studio\\2017\\Enterprise\\VC\\Auxiliary\\Build\\vcvars64.bat"
+- script: call "C:\\Program\ Files\ (x86)\\Microsoft\ Visual\ Studio\\2017\\Enterprise\\VC\\Auxiliary\\Build\\vcvars64.bat"
 
 - script: python scripts\mk_win_dist.py --x64-only --dotnet-key=$(Agent.TempDirectory)\z3.snk