diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
index 888d03a46f..48a710b7b1 100644
--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
@@ -213,7 +213,7 @@ public final class SpawnerCreature {
 
                 entityocelot.setPositionRotation((double) f, (double) f1, (double) f2, entityliving.yaw, 0.0F);
                 entityocelot.setAge(-24000);
-                world.addEntity(entityocelot);
+                world.addEntity(entityocelot, SpawnReason.NATURAL); // CraftBukkit - SpawnReason
             }
         }
     }