diff --git a/build_visual_studio_vr_pybullet_double.bat b/build_visual_studio_vr_pybullet_double.bat
index f4c43cbb5..3fadb9253 100644
--- a/build_visual_studio_vr_pybullet_double.bat
+++ b/build_visual_studio_vr_pybullet_double.bat
@@ -1,8 +1,9 @@
 IF NOT EXIST bin mkdir bin
 IF NOT EXIST bin\openvr_api.dll  copy examples\ThirdPartyLibs\openvr\bin\win32\openvr_api.dll bin
+IF NOT EXIST bin\openvr64pi.dll  copy examples\ThirdPartyLibs\openvr\bin\win64\openvr_api.dll bin\openvr64pi.dll
+
+#aargh, see https://github.com/ValveSoftware/openvr/issues/412
 
-#optionally, hardcode the python path or
-#SET myvar=c:\python-3.5.3
 
 #find a python version (hopefully just 1) and use this
 dir c:\python* /b /ad > tmp1234.txt
diff --git a/examples/SharedMemory/premake4.lua b/examples/SharedMemory/premake4.lua
index 6ab6ad0fe..e14a0146b 100644
--- a/examples/SharedMemory/premake4.lua
+++ b/examples/SharedMemory/premake4.lua
@@ -318,7 +318,11 @@ if os.is("Windows") then
 					"../ThirdPartyLibs/openvr/samples/shared/Vectors.h",
 	}
 	if os.is("Windows") then 
-		libdirs {"../ThirdPartyLibs/openvr/lib/win32"}
+		configuration {"x32"}
+			libdirs {"../ThirdPartyLibs/openvr/lib/win32"}
+		configuration {"x64"}
+			libdirs {"../ThirdPartyLibs/openvr/lib/win64"}
+		configuration{}
 	end
 	
 	if os.is("Linux") then initX11() end
diff --git a/examples/ThirdPartyLibs/openvr/lib/win64/openvr_api.lib b/examples/ThirdPartyLibs/openvr/lib/win64/openvr_api.lib
index fc16c9496..9fdab5635 100644
Binary files a/examples/ThirdPartyLibs/openvr/lib/win64/openvr_api.lib and b/examples/ThirdPartyLibs/openvr/lib/win64/openvr_api.lib differ