diff --git a/experiments/wp24b-gc/main.zig b/experiments/wp24b-gc/main.zig
index ed645ec..c98d061 100644
--- a/experiments/wp24b-gc/main.zig
+++ b/experiments/wp24b-gc/main.zig
@@ -11,7 +11,7 @@
 
 const std = @import("std");
 const hook = @import("zhook");
-const WINAPI = std.os.windows.WINAPI;
+const WINAPI = std.builtin.CallingConvention.winapi;
 
 const LUA_COLLECT_GARBAGE_ADDR: usize = 0x6F7340;
 const LUA_CLOSE_ADDR: usize = 0x6F6EF0;