diff --git a/Setup/src/Program.bf b/Setup/src/Program.bf
index 8de58c2..011370d 100644
--- a/Setup/src/Program.bf
+++ b/Setup/src/Program.bf
@@ -35,7 +35,7 @@ class GlfwGenerator : Cpp2BeefGenerator, this(Span<char8*> args)
 			public struct VkPhysicalDevice : int;
 			public typealias VkResult = c_int;
 			public struct VkAllocationCallbacks;
-			public struct VkSurfaceKHR : int;
+			public struct VkSurfaceKHR : uint64;
 		}