diff --git a/src/main/java/net/dries007/tfc/seedmaker/CommandLineInterface.java b/src/main/java/net/dries007/tfc/seedmaker/CommandLineInterface.java
index 35ffd48..5dfc0e5 100644
--- a/src/main/java/net/dries007/tfc/seedmaker/CommandLineInterface.java
+++ b/src/main/java/net/dries007/tfc/seedmaker/CommandLineInterface.java
@@ -44,6 +44,9 @@ public class CommandLineInterface implements Runnable
     @Override
     public void run()
     {
+        // Don't start more threads than seeds we've asked for.
+        threads = Math.min(threads, targetCount);
+
         System.out.println("Config: ");
         System.out.println("- treesAboveWater: " + treesAboveWater);
         System.out.println("- rocksInWater: " + rocksInWater);
@@ -86,9 +89,6 @@ public void run()
         }
         else // We didn't get seeds via CLI, make some at random
         {
-            // Don't start more threads than seeds we've asked for.
-            threads = Math.min(threads, targetCount);
-
             // todo: evaluate so we actually only count good seeds
             final AtomicInteger goodCount = new AtomicInteger();
 
diff --git a/src/main/java/net/dries007/tfc/seedmaker/util/Helper.java b/src/main/java/net/dries007/tfc/seedmaker/util/Helper.java
index 26529c7..b29f7dc 100644
--- a/src/main/java/net/dries007/tfc/seedmaker/util/Helper.java
+++ b/src/main/java/net/dries007/tfc/seedmaker/util/Helper.java
@@ -39,14 +39,4 @@ public static <K, V> JsonElement toJson(Map<K, V> biomeMap)
         for (Map.Entry<K, V> e : biomeMap.entrySet()) object.addProperty(e.getKey().toString(), e.getValue().toString());
         return object;
     }
-
-    /**
-     * Makes array of either null (if maps[n] is false) or a new PngWriter
-     */
-    public static PngWriter[] prepareGraphics(int size, File folder, boolean[] maps)
-    {
-        PngWriter[] out = new PngWriter[Layers.values().length];
-        for (int i = 0; i < out.length; i++) if (maps[i]) out[i] = new PngWriter(new File(folder, Layers.values()[i].name().toLowerCase() + ".png"), new ImageInfo(size, size, 8, false), true);
-        return out;
-    }
 }
diff --git a/src/main/java/net/dries007/tfc/seedmaker/util/WorldGen.java b/src/main/java/net/dries007/tfc/seedmaker/util/WorldGen.java
index 24a718c..d9905eb 100644
--- a/src/main/java/net/dries007/tfc/seedmaker/util/WorldGen.java
+++ b/src/main/java/net/dries007/tfc/seedmaker/util/WorldGen.java
@@ -1,5 +1,6 @@
 package net.dries007.tfc.seedmaker.util;
 
+import ar.com.hjg.pngj.ImageInfo;
 import ar.com.hjg.pngj.ImageLineHelper;
 import ar.com.hjg.pngj.ImageLineInt;
 import ar.com.hjg.pngj.PngWriter;
@@ -241,8 +242,15 @@ public void run()
         for (Tree type : Tree.values()) treeMap1.put(type, 0L);
         for (Tree type : Tree.values()) treeMap2.put(type, 0L);
 
-        // Prepare the PNG writers
-        PngWriter[] writers = Helper.prepareGraphics(radius * 2, folder, maps);
+        // Create an array of PngWriters or null if we don't want a layer.
+        PngWriter[] writers = new PngWriter[Layers.values().length];
+        for (int i = 0; i < writers.length; i++)
+        {
+            if (maps[i])
+            {
+                writers[i] = new PngWriter(new File(folder, Layers.values()[i].name().toLowerCase() + ".png"), new ImageInfo(radius * 2, radius * 2, 8, false), true);
+            }
+        }
 
         int chunkCount = 0;
         float oceanRatio = 0;
@@ -258,7 +266,10 @@ public void run()
                 {
                     // Make one image row per row in the chunk
                     imageLines[i] = new ImageLineInt[chunkSize];
-                    for (int j = 0; j < chunkSize; j++) imageLines[i][j] = new ImageLineInt(writers[0].imgInfo);
+                    for (int j = 0; j < chunkSize; j++)
+                    {
+                        imageLines[i][j] = new ImageLineInt(writers[i].imgInfo);
+                    }
                 }
             }
             // Per chunk of X lines (again, not per se 16 like in MC. The bigger the better, but more RAM intensive)