diff --git a/stepmania/src/lua-5.1/src/luaconf.h b/stepmania/src/lua-5.1/src/luaconf.h
index 73b1ec6eb5..05af0a5d12 100644
--- a/stepmania/src/lua-5.1/src/luaconf.h
+++ b/stepmania/src/lua-5.1/src/luaconf.h
@@ -10,7 +10,9 @@
 
 #include <limits.h>
 #include <stddef.h>
-#if !defined(_WIN32)
+#if defined(_WIN32)
+typedef unsigned int uint32_t;
+#else
 #include <inttypes.h>
 #endif