diff --git a/core/src/test/java/se/su/dsv/scipro/forum/BasicForumServiceImplTest.java b/core/src/test/java/se/su/dsv/scipro/forum/BasicForumServiceImplTest.java
index de6288d6f4..6846f54411 100644
--- a/core/src/test/java/se/su/dsv/scipro/forum/BasicForumServiceImplTest.java
+++ b/core/src/test/java/se/su/dsv/scipro/forum/BasicForumServiceImplTest.java
@@ -121,6 +121,8 @@ public class BasicForumServiceImplTest {
         ForumThread forumThread = new ForumThread();
         forumThread.addPost(post);
 
+        when(postRepository.findByThread(forumThread)).thenReturn(List.of(post));
+
         when(readStateRepository.find(eq(goodUser), isA(ForumPost.class))).thenReturn(readState);
         when(readStateRepository.find(eq(badUser), isA(ForumPost.class))).thenReturn(notReadState);