diff --git a/build3/premake4.lua b/build3/premake4.lua
index d8826a348..3f92bba58 100644
--- a/build3/premake4.lua
+++ b/build3/premake4.lua
@@ -96,7 +96,7 @@ end
 
 		
 if os.is("Windows") then
- 		default_python_include_dir = "C:\Python-3.5.2/include"
+ 		default_python_include_dir = "C:/Python-3.5.2/include"
  		default_python_lib_dir = "C:/Python-3.5.2/libs"
 end
 
diff --git a/build_visual_studio.bat b/build_visual_studio.bat
index 5f33e30e7..08e6b70b6 100644
--- a/build_visual_studio.bat
+++ b/build_visual_studio.bat
@@ -3,6 +3,8 @@ rem premake4 --with-pe  vs2010
 rem premake4  --bullet2demos vs2010
 cd build3
 premake4   --enable_openvr  --targetdir="../bin" vs2010 
+
+rem premake4   --enable_pybullet --python_include_dir="c:/python-3.5.2/include" --python_lib_dir="c:/python-3.5.2/libs" --enable_openvr  --targetdir="../bin" vs2010 
 rem premake4   --enable_openvr --enable_pybullet --targetdir="../bin" vs2010 
 rem premake4   --targetdir="../server2bin" vs2010 
 rem cd vs2010