diff --git a/CI/build-3.9-VS2017.bat b/CI/build-3.9-VS2017.bat
index 8d6a830b0dfdbd29b013f10fd7c57ecb63fc1d94..34d4dcc3f97c89a70de01b5d3fc6780852c0285f 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%
-"C:\Program Files\Python39\python -m venv ."
+"C:\Program Files\Python39\python.exe -m venv ."
 call .\Scripts\activate
 python setup.py bdist_wheel --dist-dir dist3