From b27922dd3de0b4bf3e60d529721b112d0dcd1aa8 Mon Sep 17 00:00:00 2001
From: "Kristian S. Stangeland" <kr_stang@hotmail.com>
Date: Wed, 7 Aug 2013 00:33:23 +0200
Subject: [PATCH] Correctly clone enum set.

---
 .../java/com/comphenix/protocol/events/ListeningWhitelist.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ProtocolLib/src/main/java/com/comphenix/protocol/events/ListeningWhitelist.java b/ProtocolLib/src/main/java/com/comphenix/protocol/events/ListeningWhitelist.java
index d82aa253..61ab901c 100644
--- a/ProtocolLib/src/main/java/com/comphenix/protocol/events/ListeningWhitelist.java
+++ b/ProtocolLib/src/main/java/com/comphenix/protocol/events/ListeningWhitelist.java
@@ -237,7 +237,7 @@ public class ListeningWhitelist {
 	 * @return A copy of the enum set.
 	 */
 	private static <T extends Enum<T>> EnumSet<T> safeEnumSet(Collection<T> options, Class<T> enumClass) {
-		if (options != null) {
+		if (options != null && !options.isEmpty()) {
 			return EnumSet.copyOf(options);
 		} else {
 			return EnumSet.noneOf(enumClass);