diff --git a/src/ox/std/types.hpp b/src/ox/std/types.hpp
index 9733cc67f..097e540bf 100644
--- a/src/ox/std/types.hpp
+++ b/src/ox/std/types.hpp
@@ -14,7 +14,7 @@ typedef unsigned short     uint16_t;
 typedef int                int32_t;
 typedef unsigned int       uint32_t;
 typedef unsigned           uint_t;
-#if defined(_WIN32) || defined(__APPLE__)
+#if defined(_WIN32) || defined(__APPLE__) || defined(__arm__)
 typedef long long          int64_t;
 typedef unsigned long long uint64_t;
 #else