diff --git a/code/game/turfs/simulated.dm b/code/game/turfs/simulated.dm
index c1b6d7d2122..a247e35a86f 100644
--- a/code/game/turfs/simulated.dm
+++ b/code/game/turfs/simulated.dm
@@ -116,6 +116,8 @@
 	if(!..())
 		return 0
 
+	if(!istype(M)) // To avoid non-humans from causing runtimes whena dding blood to the floor
+		return 0
 	var/obj/effect/decal/cleanable/blood/B = locate() in contents	//check for existing blood splatter
 	if(!B)
 		blood_splatter(src,M.get_blood(M.vessel),1)