From 90ee22b76067d98c14fa6e39af286376aefa5a6f Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Wed, 1 Feb 2017 01:13:26 +0100
Subject: [PATCH] - don't let monsters without a See state disappear if they
 try to enter it.

---
 src/p_enemy.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/p_enemy.cpp b/src/p_enemy.cpp
index e93f41ce5..2926e4e8c 100644
--- a/src/p_enemy.cpp
+++ b/src/p_enemy.cpp
@@ -2049,7 +2049,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_Look)
 		}
 	}
 
-	if (self->target)
+	if (self->target && self->SeeState)
 	{
 		self->SetState (self->SeeState);
 	}