Check for correct objects.

diff --git a/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java b/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
index bdc247e..01b7839 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
+++ b/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
@@ -312,7 +312,7 @@ public class MemoryDatabase extends AbstractService implements Database {
        public boolean isLiked(Post post, Sone sone) {
                lock.readLock().lock();
                try {
-                       return likedPostsBySone.containsEntry(sone, post);
+                       return likedPostsBySone.containsEntry(sone.getId(), post.getId());
                } finally {
                        lock.readLock().unlock();
                }