diff --git a/code/modules/mob/living/simple_animal/simple_animal.dm b/code/modules/mob/living/simple_animal/simple_animal.dm
index 14fb69cb0ae..0ed331406ba 100644
--- a/code/modules/mob/living/simple_animal/simple_animal.dm
+++ b/code/modules/mob/living/simple_animal/simple_animal.dm
@@ -311,8 +311,12 @@
 
 /mob/living/simple_animal/gib()
 	if(butcher_results || guaranteed_butcher_results)
+		var/list/butcher = list()
+		if(butcher_results)
+			butcher += butcher_results
+		if(guaranteed_butcher_results)
+			butcher += guaranteed_butcher_results
 		var/atom/Tsec = drop_location()
-		var/list/butcher = butcher_results + guaranteed_butcher_results
 		for(var/path in butcher)
 			for(var/i in 1 to butcher[path])
 				new path(Tsec)