diff --git a/Source/p_mobj.c b/Source/p_mobj.c
index b43ae09b..f5556649 100644
--- a/Source/p_mobj.c
+++ b/Source/p_mobj.c
@@ -1031,7 +1031,7 @@ void P_SpawnPlayer (mapthing_t* mthing)
 
   // not playing?
 
-  if (!playeringame[mthing->type-1])
+  if (mthing->type == 0 || !playeringame[mthing->type-1]) // [FG] catch overflow
     return;
 
   p = &players[mthing->type-1];