diff --git a/sc2/src/types.h b/sc2/src/types.h
index 81311e278..8489d2bce 100644
--- a/sc2/src/types.h
+++ b/sc2/src/types.h
@@ -74,18 +74,13 @@
 
 /* Figure out how to support 64-bit datatypes */
 #if !defined(UQM_INT64) && !defined(__STRICT_ANSI__)
-#	if defined(__GNUC__) || defined(__MWERKS__) || defined(__SUNPRO_C)
+#	if defined(__GNUC__) || defined(__MWERKS__) || defined(__SUNPRO_C) || defined(__ARMCC__)
 #		define UQM_INT64    long long
 #	elif defined(_MSC_VER) || defined(__BORLANDC__)
 #		define UQM_INT64    __int64
 #	endif
 #endif /* !__STRICT_ANSI__ */
 
-/* The 64-bit type isn't available on EPOC/Symbian OS */
-#ifdef __SYMBIAN32__
-#	undef UQM_INT64
-#endif
-
 // ISO C99 compatible boolean types. The ISO C99 standard defines:
 // - An object declared as type _Bool, large enough to store the values 0
 //   and 1, the rank of which is less than the rank of all other standard