diff --git a/Clover/app/src/main/java/org/floens/chan/ui/adapter/PostAdapter.java b/Clover/app/src/main/java/org/floens/chan/ui/adapter/PostAdapter.java
index 47738ebe..14f6fcb1 100644
--- a/Clover/app/src/main/java/org/floens/chan/ui/adapter/PostAdapter.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/adapter/PostAdapter.java
@@ -167,13 +167,19 @@ public class PostAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
         } else if (itemViewType == TYPE_LAST_SEEN) {
             return -2;
         } else {
-            return displayList.get(getPostPosition(position)).no;
+            Post post = displayList.get(getPostPosition(position));
+            int repliesFromSize;
+            synchronized (post.repliesFrom) {
+                repliesFromSize = post.repliesFrom.size();
+            }
+            return ((long) repliesFromSize << 32) + (long) post.no;
         }
     }
 
     public void setThread(ChanThread thread, PostsFilter filter) {
         bound = true;
         showError(null);
+
         sourceList.clear();
         sourceList.addAll(thread.posts);
 
diff --git a/Clover/app/src/main/java/org/floens/chan/ui/adapter/PostsFilter.java b/Clover/app/src/main/java/org/floens/chan/ui/adapter/PostsFilter.java
index f78d3169..63c6f639 100644
--- a/Clover/app/src/main/java/org/floens/chan/ui/adapter/PostsFilter.java
+++ b/Clover/app/src/main/java/org/floens/chan/ui/adapter/PostsFilter.java
@@ -21,7 +21,6 @@ import android.text.TextUtils;
 
 import org.floens.chan.Chan;
 import org.floens.chan.core.database.DatabaseManager;
-import org.floens.chan.core.manager.FilterEngine;
 import org.floens.chan.core.model.Post;
 
 import java.util.ArrayList;
@@ -61,7 +60,6 @@ public class PostsFilter {
     };
 
     private final DatabaseManager databaseManager;
-    private final FilterEngine filterEngine;
 
     private Order order;
     private String query;
@@ -70,7 +68,6 @@ public class PostsFilter {
         this.order = order;
         this.query = query;
         databaseManager = Chan.getDatabaseManager();
-        filterEngine = FilterEngine.getInstance();
     }
 
     /**