diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8355ee634..563d780d2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -192,6 +192,9 @@ endif()
 if(ANDROID)
 	set(VK_USE_PLATFORM_ANDROID_KHR TRUE)
 endif()
+if(WIN32)
+	set(VK_USE_PLATFORM_WIN32_KHR TRUE)
+endif()
 
 
 if(NOT MSVC)
diff --git a/src/xrt/include/xrt/xrt_config_vulkan.h.cmake_in b/src/xrt/include/xrt/xrt_config_vulkan.h.cmake_in
index f81a1d359..f364a3024 100644
--- a/src/xrt/include/xrt/xrt_config_vulkan.h.cmake_in
+++ b/src/xrt/include/xrt/xrt_config_vulkan.h.cmake_in
@@ -13,3 +13,4 @@
 #cmakedefine VK_USE_PLATFORM_WAYLAND_KHR
 #cmakedefine VK_USE_PLATFORM_XCB_KHR
 #cmakedefine VK_USE_PLATFORM_XLIB_XRANDR_EXT
+#cmakedefine VK_USE_PLATFORM_WIN32_KHR