diff --git a/mods/ENTITIES/mobs/spawner.lua b/mods/ENTITIES/mobs/spawner.lua
index ad047ae36..45e29e9df 100644
--- a/mods/ENTITIES/mobs/spawner.lua
+++ b/mods/ENTITIES/mobs/spawner.lua
@@ -115,7 +115,7 @@ minetest.register_abm({
 
 		-- are we spawning a registered mob?
 		if not mobs.spawning_mobs[mob] then
-			print ("--- mob doesn't exist", mob)
+			minetest.log("error", "[mobs] Monster Spawner: Mob doesn't exist: "..mob)
 			return
 		end