diff --git a/src/main/java/mcjty/incontrol/spawner/SpawnerConditions.java b/src/main/java/mcjty/incontrol/spawner/SpawnerConditions.java
index e4f599f..6e70ebe 100644
--- a/src/main/java/mcjty/incontrol/spawner/SpawnerConditions.java
+++ b/src/main/java/mcjty/incontrol/spawner/SpawnerConditions.java
@@ -367,8 +367,8 @@ public static class Builder {
         private int verticalMaxdist = -1;
         private int mindaycount = 0;
         private int maxdaycount = Integer.MAX_VALUE;
-        private int minheight = 1;
-        private int maxheight = 256;
+        private int minheight = -64;
+        private int maxheight = 320;
         private boolean inLiquid = false;
         private boolean inWater = false;
         private boolean inLava = false;