From 47f4a6392781b4e48ee99bde32dcede99309f864 Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Wed, 23 Oct 2013 07:51:44 +0200
Subject: [PATCH] Fix duplicate-field detection.

---
 src/main/java/net/pterodactylus/sone/data/Profile.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/net/pterodactylus/sone/data/Profile.java b/src/main/java/net/pterodactylus/sone/data/Profile.java
index 6201276..03e9a91 100644
--- a/src/main/java/net/pterodactylus/sone/data/Profile.java
+++ b/src/main/java/net/pterodactylus/sone/data/Profile.java
@@ -217,7 +217,7 @@ public class Profile implements Fingerprintable {
 	public Field addField(String fieldName) throws IllegalArgumentException {
 		checkNotNull(fieldName, "fieldName must not be null");
 		checkArgument(fieldName.length() > 0, "fieldName must not be empty");
-		checkState(getFieldByName(fieldName) == null, "fieldName must be unique");
+		checkState(!getFieldByName(fieldName).isPresent(), "fieldName must be unique");
 		@SuppressWarnings("synthetic-access")
 		Field field = new Field(fieldName);
 		fields.add(field);
-- 
2.7.4