diff --git a/nms-patches/ItemMonsterEgg.patch b/nms-patches/ItemMonsterEgg.patch
index a53df16bbc..39d62af26f 100644
--- a/nms-patches/ItemMonsterEgg.patch
+++ b/nms-patches/ItemMonsterEgg.patch
@@ -1,5 +1,5 @@
---- ../work/decompile-8eb82bde//net/minecraft/server/ItemMonsterEgg.java	2014-12-03 10:52:09.804159084 +0000
-+++ src/main/java/net/minecraft/server/ItemMonsterEgg.java	2014-12-03 10:51:53.380159449 +0000
+--- ../work/decompile-8eb82bde/net/minecraft/server/ItemMonsterEgg.java	2014-12-15 13:53:30.086979118 +0000
++++ src/main/java/net/minecraft/server/ItemMonsterEgg.java	2014-12-15 13:53:30.086979118 +0000
 @@ -19,7 +19,8 @@
      }
  
@@ -23,12 +23,19 @@
          if (!EntityTypes.eggInfo.containsKey(Integer.valueOf(i))) {
              return null;
          } else {
-@@ -123,7 +130,7 @@
+@@ -123,8 +130,13 @@
                      entityinsentient.aI = entityinsentient.yaw;
                      entityinsentient.aG = entityinsentient.yaw;
                      entityinsentient.prepare(world.E(new BlockPosition(entityinsentient)), (GroupDataEntity) null);
 -                    world.addEntity(entity);
-+                    world.addEntity(entity, spawnReason); // CraftBukkit
-                     entityinsentient.x();
+-                    entityinsentient.x();
++                    // CraftBukkit start - don't return an entity when CreatureSpawnEvent is canceled
++                    if (!world.addEntity(entity, spawnReason)) {
++                        entity = null;
++                    } else {
++                        entityinsentient.x();
++                    }
++                    // CraftBukkit end
                  }
              }
+