diff --git a/app/src/main/java/eu/faircode/email/AdapterMessage.java b/app/src/main/java/eu/faircode/email/AdapterMessage.java
index c93512f43e..db60708660 100644
--- a/app/src/main/java/eu/faircode/email/AdapterMessage.java
+++ b/app/src/main/java/eu/faircode/email/AdapterMessage.java
@@ -383,7 +383,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibHelp = itemView.findViewById(R.id.ibHelp);
             pbLoading = itemView.findViewById(R.id.pbLoading);
 
-            if (compact)
+            if (compact && tvSubject != null)
                 if ("start".equals(subject_ellipsize))
                     tvSubject.setEllipsize(TextUtils.TruncateAt.START);
                 else if ("end".equals(subject_ellipsize))
@@ -641,7 +641,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             boolean outbox = EntityFolder.OUTBOX.equals(message.folderType);
 
             if (viewType == ViewType.THREAD)
-                view.setVisibility(!filter_duplicates || !message.duplicate ? View.VISIBLE : View.GONE);
+                card.setVisibility(!filter_duplicates || !message.duplicate ? View.VISIBLE : View.GONE);
 
             // Text size
             if (textSize != 0) {
@@ -779,17 +779,11 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
             if (viewType == ViewType.FOLDER)
                 tvFolder.setText(outbox ? message.identityEmail : message.accountName);
-            else if (type == null) {
-                String folderName = (message.folderDisplay == null
-                        ? Helper.localizeFolderName(context, message.folderName)
-                        : message.folderDisplay);
-                tvFolder.setText((compact ? "" : message.accountName + "/") + folderName);
-            } else {
-                String folderName = (message.folderDisplay == null
-                        ? Helper.localizeFolderName(context, message.folderName)
-                        : message.folderDisplay);
-                tvFolder.setText(message.accountName + "/" + folderName);
-            }
+            else if (type == null)
+                tvFolder.setText((compact ? "" : message.accountName + "/") + message.getFolderName(context));
+            else
+                tvFolder.setText(message.accountName + "/" + message.getFolderName(context));
+
             tvFolder.setVisibility(compact &&
                     ((viewType == ViewType.FOLDER && !outbox) || (viewType == ViewType.UNIFIED && type == null && inbox))
                     ? View.GONE : View.VISIBLE);
@@ -3420,6 +3414,9 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
     @Override
     public int getItemViewType(int position) {
+        TupleMessageEx message = differ.getItem(position);
+        if (filter_duplicates && message != null && message.duplicate)
+            return R.layout.item_message_duplicate;
         return (compact ? R.layout.item_message_compact : R.layout.item_message_normal);
     }
 
@@ -3700,9 +3697,15 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
     @Override
     public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        TupleMessageEx message = differ.getItem(position);
+        if (filter_duplicates && message != null && message.duplicate) {
+            holder.tvFolder.setText(context.getString(R.string.title_duplicate_in, message.getFolderName(context)));
+            holder.tvFolder.setAlpha(Helper.LOW_LIGHT);
+            return;
+        }
+
         holder.unwire();
 
-        TupleMessageEx message = differ.getItem(position);
         if (message == null || context == null)
             holder.clear();
         else {
diff --git a/app/src/main/java/eu/faircode/email/Core.java b/app/src/main/java/eu/faircode/email/Core.java
index 7e29bb75d3..4bdb613437 100644
--- a/app/src/main/java/eu/faircode/email/Core.java
+++ b/app/src/main/java/eu/faircode/email/Core.java
@@ -2824,12 +2824,8 @@ class Core {
             if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O)
                 setLightAndSound(mbuilder, light, sound);
 
-            String folderName = message.folderDisplay == null
-                    ? Helper.localizeFolderName(context, message.folderName)
-                    : message.folderDisplay;
-
             mbuilder.setContentTitle(info.getDisplayName(name_email))
-                    .setSubText(message.accountName + " · " + folderName);
+                    .setSubText(message.accountName + " · " + message.getFolderName(context));
 
             DB db = DB.getInstance(context);
 
diff --git a/app/src/main/java/eu/faircode/email/TupleMessageEx.java b/app/src/main/java/eu/faircode/email/TupleMessageEx.java
index 10844fb5ca..937744e707 100644
--- a/app/src/main/java/eu/faircode/email/TupleMessageEx.java
+++ b/app/src/main/java/eu/faircode/email/TupleMessageEx.java
@@ -19,6 +19,8 @@ package eu.faircode.email;
     Copyright 2018-2019 by Marcel Bokhorst (M66B)
 */
 
+import android.content.Context;
+
 import androidx.room.Ignore;
 
 import java.util.Objects;
@@ -47,7 +49,13 @@ public class TupleMessageEx extends EntityMessage {
     public Long totalSize;
 
     @Ignore
-    public boolean duplicate;
+    boolean duplicate;
+
+    String getFolderName(Context context) {
+        return (folderDisplay == null
+                ? Helper.localizeFolderName(context, folderName)
+                : folderDisplay);
+    }
 
     @Override
     public boolean equals(Object obj) {
diff --git a/app/src/main/res/layout/item_message_duplicate.xml b/app/src/main/res/layout/item_message_duplicate.xml
new file mode 100644
index 0000000000..fe84488e80
--- /dev/null
+++ b/app/src/main/res/layout/item_message_duplicate.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <eu.faircode.email.ViewCardOptional
+        android:id="@+id/card"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:foreground="?android:attr/selectableItemBackground">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/clItem"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="?attr/activatableItemBackground"
+            android:descendantFocusability="beforeDescendants"
+            android:focusable="true"
+            android:focusableInTouchMode="true">
+
+            <TextView
+                android:id="@+id/tvFolder"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:gravity="center_horizontal"
+                android:text="@string/title_duplicate_in"
+                android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </eu.faircode.email.ViewCardOptional>
+</FrameLayout>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index c40c9264d1..e30492cada 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -487,6 +487,7 @@
     <string name="title_no_folders">No folders</string>
     <string name="title_no_messages">No messages</string>
     <string name="title_filters_active">One or more filters active</string>
+    <string name="title_duplicate_in">Duplicate in %1$s</string>
 
     <string name="title_subject_reply">Re: %1$s</string>
     <string name="title_subject_forward">Fwd: %1$s</string>