diff --git a/src/savegame/savegame.c b/src/savegame/savegame.c
index 0c73bdf..bcf56a4 100644
--- a/src/savegame/savegame.c
+++ b/src/savegame/savegame.c
@@ -66,6 +66,10 @@
  */
 #if defined(__FreeBSD__)
  #define OS "FreeBSD"
+#elif defined(__APPLE__)
+ #define OS "MacOS X"
+#elif defined(__OpenBSD__)
+ #define OS "OpenBSD"
 #elif defined(__linux__)
  #define OS "Linux"
 #elif defined(_WIN32)