diff --git a/StevenDimDoors/mod_pocketDim/RiftGenerator.java b/StevenDimDoors/mod_pocketDim/RiftGenerator.java
index 0877c99..424cc58 100644
--- a/StevenDimDoors/mod_pocketDim/RiftGenerator.java
+++ b/StevenDimDoors/mod_pocketDim/RiftGenerator.java
@@ -18,7 +18,7 @@ public class RiftGenerator implements IWorldGenerator
 	public static final int MAX_CLUSTER_GENERATION_CHANCE = 10000;
 	private static final int CLUSTER_GROWTH_CHANCE = 80;
 	private static final int MAX_CLUSTER_GROWTH_CHANCE = 100;
-	private static final int MIN_RIFT_Y = 21;
+	private static final int MIN_RIFT_Y = 4;
 	private static final int MAX_RIFT_Y = 250;
 	private static final int CHUNK_LENGTH = 16;
 	private static final int GATEWAY_RADIUS = 4;
@@ -41,6 +41,11 @@ public class RiftGenerator implements IWorldGenerator
 		{
 			return;
 		}
+		
+		if(dimHelper.getWorld(0)==null)
+		{
+			return;
+		}
 
 		int x, y, z;
 		int attempts;
diff --git a/StevenDimDoors/mod_pocketDim/helpers/dimHelper.java b/StevenDimDoors/mod_pocketDim/helpers/dimHelper.java
index 991dedd..45de634 100644
--- a/StevenDimDoors/mod_pocketDim/helpers/dimHelper.java
+++ b/StevenDimDoors/mod_pocketDim/helpers/dimHelper.java
@@ -906,6 +906,10 @@ public class dimHelper extends DimensionManager
 	public LinkData createPocket(LinkData link , boolean isGoingDown, boolean isRandomRift)
 	{
 		DDProperties properties = DDProperties.instance();
+		if(dimHelper.getWorld(0)==null)
+		{
+			return link;
+		}
 		
 		if (dimHelper.getWorld(link.locDimID) == null)
 		{