diff --git a/src/playsim/p_enemy.cpp b/src/playsim/p_enemy.cpp
index 3fe51585d0..207f9aaf0d 100644
--- a/src/playsim/p_enemy.cpp
+++ b/src/playsim/p_enemy.cpp
@@ -2189,6 +2189,7 @@ enum ChaseFlags
 	CHF_NODIRECTIONTURN = 64,
 	CHF_NOPOSTATTACKTURN = 128,
 	CHF_STOPIFBLOCKED = 256,
+	CHF_DONTIDLE = 512,
 };
 
 void A_Wander(AActor *self, int flags)
@@ -2430,7 +2431,7 @@ void A_DoChase (AActor *actor, bool fastchase, FState *meleestate, FState *missi
 		}
 		if (actor->target == NULL)
 		{
-			if (actor->flags & MF_FRIENDLY)
+			if (flags & CHF_DONTIDLE || actor->flags & MF_FRIENDLY)
 			{
 				//A_Look(actor);
 				if (actor->target == NULL)
diff --git a/wadsrc/static/zscript/constants.zs b/wadsrc/static/zscript/constants.zs
index de7eab3d97..77f99c7f80 100644
--- a/wadsrc/static/zscript/constants.zs
+++ b/wadsrc/static/zscript/constants.zs
@@ -140,6 +140,7 @@ enum EChaseFlags
 	CHF_NODIRECTIONTURN =				64,
 	CHF_NOPOSTATTACKTURN =				128,
 	CHF_STOPIFBLOCKED =					256,
+	CHF_DONTIDLE =						512,
 
 	CHF_DONTTURN = CHF_NORANDOMTURN | CHF_NOPOSTATTACKTURN | CHF_STOPIFBLOCKED
 };