diff --git a/src/include/86box/plat.h b/src/include/86box/plat.h
index 23b99312f..497123799 100644
--- a/src/include/86box/plat.h
+++ b/src/include/86box/plat.h
@@ -32,7 +32,7 @@
 # define strcasecmp	_stricmp
 #endif
 
-#if defined(UNIX) && defined(FREEBSD) && defined(__APPLE__)
+#if defined(UNIX) && defined(FREEBSD) || defined(__APPLE__)
 /* FreeBSD has largefile by default. */
 # define fopen64        fopen
 # define fseeko64       fseeko