--- a/net/minecraft/server/commands/SetSpawnCommand.java
+++ b/net/minecraft/server/commands/SetSpawnCommand.java
@@ -41,7 +41,7 @@
         while (iterator.hasNext()) {
             ServerPlayer entityplayer = (ServerPlayer) iterator.next();
 
-            entityplayer.setRespawnPosition(resourcekey, pos, angle, true, false);
+            entityplayer.setRespawnPosition(resourcekey, pos, angle, true, false, org.bukkit.event.player.PlayerSpawnChangeEvent.Cause.COMMAND); // CraftBukkit
         }
 
         String s = resourcekey.location().toString();