diff --git a/src/main/java/noppes/npcs/controllers/data/SpawnData.java b/src/main/java/noppes/npcs/controllers/data/SpawnData.java
index 7436cd2de..3d5f4da69 100644
--- a/src/main/java/noppes/npcs/controllers/data/SpawnData.java
+++ b/src/main/java/noppes/npcs/controllers/data/SpawnData.java
@@ -82,7 +82,7 @@ public class SpawnData extends WeightedRandom.Item implements INaturalSpawn {
 
 		Set<Map.Entry<Integer,NBTTagCompound>> entries = this.spawnCompounds.entrySet();
 		for (Map.Entry<Integer,NBTTagCompound> entry : entries) {
-			compound.setTag("SpawnCompound"+entry.getKey(),entry.getValue());
+			compound.setTag("SpawnCompound" + entry.getKey(), entry.getValue() != null ? entry.getValue() : new NBTTagCompound());
 		}
 
 		compound.setBoolean("AnimalSpawning", animalSpawning);