diff --git a/Jenkinsfile b/Jenkinsfile
index a9051db7b64e..55feff99e838 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -394,7 +394,7 @@ core_logic: {
           ws('workspace/build-cpu') {
             withEnv(['OpenBLAS_HOME=C:\\mxnet\\openblas', 'OpenCV_DIR=C:\\mxnet\\opencv_vc14', 'CUDA_PATH=C:\\CUDA\\v8.0']) {
               utils.init_git_win()
-              powershell 'python ci/build_windows.py -f WIN_CPU'
+              powershell 'py -3 ci/build_windows.py -f WIN_CPU'
               stash includes: 'windows_package.7z', name: 'windows_package_cpu'
             }
           }