diff --git a/CI/build-3.9-VS2017.bat b/CI/build-3.9-VS2017.bat
index 068b2a4216661d658923b07fd6d19160b6d7b1c3..0cdc0b55a242192fe5d50a2092b41d8862190fea 100644
--- a/CI/build-3.9-VS2017.bat
+++ b/CI/build-3.9-VS2017.bat
@@ -1,4 +1,4 @@
 set PATH=C:\Program Files\Python39;C:\Program Files\Python39\Scripts;C:\Program Files\CMake\bin;%PATH%
-virtualenv -p "C:\Program Files\Python39\python.exe" .
+python -m venv .
 call .\Scripts\activate
 python setup.py bdist_wheel --dist-dir dist3