diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 80af2a9..9cc33fc 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -144,7 +144,7 @@
 		}
 
 		this.setCanSpawnAnimals(globalWConf.mobSpawn.spawnAnimals);
-		this.setCanSpawnNPCs(globalWConf.mobSpawn.spawnNPCs);
+		this.setCanSpawnNPCs(globalWConf.mobSpawn.allowNPCs);
 		this.setAllowPvp(globalWConf.settings.pvp);
 		this.setAllowFlight(settings.settings.player.allowFlight);
 		this.func_155759_m(settings.settings.other.resourcePack);
diff --git a/src/main/java/net/minecraft/world/WorldServer.java b/src/main/java/net/minecraft/world/WorldServer.java
index bbcee39..06fdea1 100644
--- a/src/main/java/net/minecraft/world/WorldServer.java
+++ b/src/main/java/net/minecraft/world/WorldServer.java
@@ -530,12 +530,12 @@
 
 	public void updateEntityWithOptionalForce(Entity p_72866_1_, boolean p_72866_2_)
 	{
-		if (!getConfig().mobSpawn.spawnAnimals && (p_72866_1_ instanceof EntityAnimal || p_72866_1_ instanceof EntityWaterMob))
+		if (!getConfig().mobSpawn.allowAnimals && (p_72866_1_ instanceof EntityAnimal || p_72866_1_ instanceof EntityWaterMob))
 		{
 			p_72866_1_.setDead();
 		}
 
-		if (!getConfig().mobSpawn.spawnNPCs && p_72866_1_ instanceof INpc)
+		if (!getConfig().mobSpawn.allowNPCs && p_72866_1_ instanceof INpc)
 		{
 			p_72866_1_.setDead();
 		}
diff --git a/src/main/java/org/ultramine/server/WorldsConfig.java b/src/main/java/org/ultramine/server/WorldsConfig.java
index cf0b829..96699d0 100644
--- a/src/main/java/org/ultramine/server/WorldsConfig.java
+++ b/src/main/java/org/ultramine/server/WorldsConfig.java
@@ -27,9 +27,10 @@
 		
 		public static class MobSpawn
 		{
+			public boolean allowAnimals = true;
 			public boolean spawnAnimals = true;
 			public boolean spawnMonsters = true;
-			public boolean spawnNPCs = true;
+			public boolean allowNPCs = true;
 		}
 		
 		public static class Settings