diff --git a/scripts/azure-pipeline.vs.yaml b/scripts/azure-pipeline.vs.yaml
index 5a6c9232e..5ebb7b84f 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"' & python scripts\mk_win_dist.py --x64-only --dotnet-key=$(Agent.TempDirectory)\z3.snk
+- script: '"C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvars64.bat"' \& python scripts\mk_win_dist.py --x64-only --dotnet-key=$(Agent.TempDirectory)\z3.snk
 
 # - script: '"C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvars32.bat"'