diff --git a/README.md b/README.md
index 1bc769f8..ba24aab0 100644
--- a/README.md
+++ b/README.md
@@ -605,6 +605,7 @@
 * Zombies no longer spawn across from the debris in the Lower Orange Highrise area when the debris is closed
 * Zombies no longer fall off the map traversing down to the Green Highrise Level 1 area
 * Fixed weapon model angle on upside down Mystery Box
+* Fixed zombies not bleeding out in the Green Highrise Level 1b zone when the debris is closed and there are no players in the zone
 * Quest: elevator symbols can be activated without players on every symbol
 * Quest: elevator symbols stay active after activating once
 * Quest: floor symbols can be activated in any order
diff --git a/scripts/zm/zm_highrise/zm_highrise_reimagined.gsc b/scripts/zm/zm_highrise/zm_highrise_reimagined.gsc
index c1bab7af..3666bd33 100644
--- a/scripts/zm/zm_highrise/zm_highrise_reimagined.gsc
+++ b/scripts/zm/zm_highrise/zm_highrise_reimagined.gsc
@@ -62,6 +62,7 @@ init()
 
 	level thread elevator_call();
 	level thread escape_pod_call();
+	level thread zombie_bad_zone_watcher();
 }
 
 zombie_init_done()
@@ -449,4 +450,46 @@ escape_pod_call_think()
 
 		flag_waitopen( "escape_pod_needs_reset" );
 	}
+}
+
+zombie_bad_zone_watcher()
+{
+	level endon( "end_game" );
+	level endon( "green_level3_door2" );
+
+    elevator_volume = getent( "elevator_1d", "targetname" );
+
+	while ( 1 )
+	{
+		wait 0.05;
+
+		if ( maps\mp\zombies\_zm_zonemgr::player_in_zone( "zone_green_level3c" ) )
+		{
+			continue;
+		}
+
+		zombies = getaiarray( level.zombie_team );
+
+		foreach ( zombie in zombies )
+		{
+			if ( is_true( zombie.completed_emerging_into_playable_area ) && zombie maps\mp\zombies\_zm_zonemgr::entity_in_zone( "zone_green_level3c" ) && !zombie istouching( elevator_volume ) )
+			{
+				if ( is_true( zombie.is_leaper ) )
+				{
+					self maps\mp\zombies\_zm_ai_leaper::leaper_cleanup();
+				}
+				else
+				{
+					level.zombie_total++;
+
+					if ( self.health < level.zombie_health )
+					{
+						level.zombie_respawned_health[level.zombie_respawned_health.size] = self.health;
+					}
+				}
+
+				zombie dodamage( zombie.health + 100, zombie.origin );
+			}
+		}
+	}
 }
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