@@ -25,11 +25,11 @@
 
 #import "OFStream.h"
 
 OF_ASSUME_NONNULL_BEGIN
 
-#if defined(_WIN32)
+#if defined(OF_WINDOWS)
 typedef __int64 of_offset_t;
 #elif defined(__ANDROID__)
 typedef long long of_offset_t;
 #elif defined(OF_HAVE_OFF64_T)
 typedef off64_t of_offset_t;