diff --git a/stepmania/src/libtomcrypt/src/headers/tomcrypt_pk.h b/stepmania/src/libtomcrypt/src/headers/tomcrypt_pk.h
index 123f914f9e..685734dace 100644
--- a/stepmania/src/libtomcrypt/src/headers/tomcrypt_pk.h
+++ b/stepmania/src/libtomcrypt/src/headers/tomcrypt_pk.h
@@ -497,7 +497,7 @@ int der_printable_value_decode(int v);
 
 /* UTF-8 */
 #ifndef _BSD_WCHAR_T_DEFINED_
-#if (defined(SIZE_MAX) || __STDC_VERSION__ >= 199901L || defined(WCHAR_MAX) || defined(_WCHAR_T) || defined(_WCHAR_T_DEFINED)) && !defined(LTC_NO_WCHAR)
+#if (defined(SIZE_MAX) || __STDC_VERSION__ >= 199901L || defined(WCHAR_MAX) || defined(__WCHAR_MAX__) || defined(_WCHAR_T) || defined(_WCHAR_T_DEFINED)) && !defined(LTC_NO_WCHAR)
 #include <wchar.h>
 #else
 typedef ulong32 wchar_t;