X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdatabase%2Fmemory%2FMemorySone.java;h=da487b31191525d2792a5471802736e1dae6dc66;hp=1c5912f8a6a734cad70fb93647395d4279d8cff6;hb=927de326e0af0f11a27b3444f4e25b0796c877db;hpb=c1fd1bc55bd809fd4ee447b2679bb8aafe4e06fc

diff --git a/src/main/java/net/pterodactylus/sone/database/memory/MemorySone.java b/src/main/java/net/pterodactylus/sone/database/memory/MemorySone.java
index 1c5912f..da487b3 100644
--- a/src/main/java/net/pterodactylus/sone/database/memory/MemorySone.java
+++ b/src/main/java/net/pterodactylus/sone/database/memory/MemorySone.java
@@ -576,7 +576,9 @@ public class MemorySone implements Sone {
 	@Override
 	public void addAlbum(Album album) {
 		Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.getSone(), this).check();
-		albums.add(album);
+		if (!albums.contains(album)) {
+			albums.add(album);
+		}
 	}
 
 	/**