diff --git a/src/doomdef.h b/src/doomdef.h
index cb5c780f..4cd1f390 100644
--- a/src/doomdef.h
+++ b/src/doomdef.h
@@ -227,7 +227,7 @@ extern char  logfilename[1024];
 // NOTE: it needs more than this to increase the number of players...
 
 #define MAXPLAYERS 16
-#define MAXSKINS UINT16_MAX
+#define MAXSKINS UINT16_MAX-1
 #define PLAYERSMASK (MAXPLAYERS-1)
 #define MAXPLAYERNAME 21