diff --git a/build/win32/vs10/gtk3-version-paths.props.in b/build/win32/vs10/gtk3-version-paths.props.in
index 395c78f529..9ad33fdb42 100644
--- a/build/win32/vs10/gtk3-version-paths.props.in
+++ b/build/win32/vs10/gtk3-version-paths.props.in
@@ -17,11 +17,13 @@
c:\python34
c:\python36
c:\python36
+ c:\python36
c:\python34.x64
c:\python34.x64
c:\python34.x64
c:\python36.x64
c:\python36.x64
+ c:\python36.x64
PYTHON=$(PythonDir)\python.exe