diff --git a/src/main/java/net/minecraft/world/gen/ChunkProviderServer.java b/src/main/java/net/minecraft/world/gen/ChunkProviderServer.java
index a98ba56..c11eeb7 100644
--- a/src/main/java/net/minecraft/world/gen/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/world/gen/ChunkProviderServer.java
@@ -311,7 +311,8 @@
 			if (this.currentChunkProvider != null)
 			{
 				this.currentChunkProvider.populate(par1IChunkProvider, par2, par3);
-				GameRegistry.generateWorld(par2, par3, worldObj, currentChunkProvider, par1IChunkProvider);
+				if(!worldObj.getConfig().generation.disableModGeneration)
+					GameRegistry.generateWorld(par2, par3, worldObj, currentChunkProvider, par1IChunkProvider);
 				chunk.setChunkModified();
 			}
 		}
diff --git a/src/main/java/org/ultramine/server/WorldsConfig.java b/src/main/java/org/ultramine/server/WorldsConfig.java
index 4557ca5..382e6d0 100644
--- a/src/main/java/org/ultramine/server/WorldsConfig.java
+++ b/src/main/java/org/ultramine/server/WorldsConfig.java
@@ -26,6 +26,7 @@
 			public String levelType = "DEFAULT";
 			public String generatorSettings = "";
 			public boolean generateStructures = true;
+			public boolean disableModGeneration = false;
 		}
 		
 		public static class MobSpawn
diff --git a/src/main/resources/org/ultramine/defaults/defaultworlds.yml b/src/main/resources/org/ultramine/defaults/defaultworlds.yml
index 8da0fa6..d08af2c 100644
--- a/src/main/resources/org/ultramine/defaults/defaultworlds.yml
+++ b/src/main/resources/org/ultramine/defaults/defaultworlds.yml
@@ -1,11 +1,12 @@
 global: &global
     dimension: 0
     generation: &global_gen
+        providerID: 0
+        levelType: DEFAULT
+        seed: {seed}
         generateStructures: true
         generatorSettings: ''
-        levelType: DEFAULT
-        providerID: 0
-        seed: {seed}
+        disableModGeneration: false
     mobSpawn:
         allowAnimals: true
         spawnAnimals: true