diff --git a/mods/ENTITIES/mcl_mobs/api.lua b/mods/ENTITIES/mcl_mobs/api.lua
index 8b86e4b983..0f5f59ae89 100644
--- a/mods/ENTITIES/mcl_mobs/api.lua
+++ b/mods/ENTITIES/mcl_mobs/api.lua
@@ -276,8 +276,11 @@ end
 local get_velocity = function(self)
 
 	local v = self.object:get_velocity()
+	if v then
+		return (v.x * v.x + v.z * v.z) ^ 0.5
+	end
 
-	return (v.x * v.x + v.z * v.z) ^ 0.5
+	return 0
 end