diff --git a/build/scripts/modules/vulkan.lua b/build/scripts/modules/vulkan.lua
index 876e5e75e..03c774cd5 100644
--- a/build/scripts/modules/vulkan.lua
+++ b/build/scripts/modules/vulkan.lua
@@ -9,6 +9,10 @@ MODULE.Libraries = {
 	"NazaraUtility"
 }
 
+MODULE.OsDefines.Windows = {
+	"VK_USE_PLATFORM_WIN32_KHR"
+}
+
 MODULE.OsFiles.Windows = {
 	"../src/Nazara/Vulkan/Win32/**.hpp",
 	"../src/Nazara/Vulkan/Win32/**.cpp"