diff --git a/app/src/main/java/ch/dissem/apps/abit/ConversationListFragment.kt b/app/src/main/java/ch/dissem/apps/abit/ConversationListFragment.kt
index 80f7427..4e9439c 100644
--- a/app/src/main/java/ch/dissem/apps/abit/ConversationListFragment.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/ConversationListFragment.kt
@@ -80,7 +80,8 @@ class ConversationListFragment : Fragment(), ListHolder<Label> {
 
                 if (!isLoading && !isLastPage) {
                     if (visibleItemCount + firstVisibleItemPosition >= totalItemCount - 5
-                        && firstVisibleItemPosition >= 0) {
+                        && firstVisibleItemPosition >= 0
+                    ) {
                         loadMoreItems()
                     }
                 }
@@ -183,7 +184,7 @@ class ConversationListFragment : Fragment(), ListHolder<Label> {
         val swipeManager = RecyclerViewSwipeManager()
 
         //swipeableConversationAdapter
-        val adapter = SwipeableConversationAdapter().apply {
+        val adapter = SwipeableConversationAdapter(context).apply {
             setActivateOnItemClick(activateOnItemClick)
         }
         adapter.eventListener = object : SwipeableConversationAdapter.EventListener {
diff --git a/app/src/main/java/ch/dissem/apps/abit/adapter/SwipeableConversationAdapter.kt b/app/src/main/java/ch/dissem/apps/abit/adapter/SwipeableConversationAdapter.kt
index d010fba..19f99aa 100644
--- a/app/src/main/java/ch/dissem/apps/abit/adapter/SwipeableConversationAdapter.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/adapter/SwipeableConversationAdapter.kt
@@ -18,6 +18,7 @@
 package ch.dissem.apps.abit.adapter
 
 import android.annotation.SuppressLint
+import android.content.Context
 import android.graphics.Typeface
 import android.support.v7.widget.RecyclerView
 import android.view.LayoutInflater
@@ -47,7 +48,7 @@ import java.util.*
  * @author Christian Basler
  * @see [https://github.com/h6ah4i/android-advancedrecyclerview](https://github.com/h6ah4i/android-advancedrecyclerview)
  */
-class SwipeableConversationAdapter :
+class SwipeableConversationAdapter(ctx: Context) :
     RecyclerView.Adapter<SwipeableConversationAdapter.ViewHolder>(),
     SwipeableItemAdapter<SwipeableConversationAdapter.ViewHolder>, SwipeableItemConstants {
 
@@ -60,6 +61,8 @@ class SwipeableConversationAdapter :
     private var selectedPosition = -1
     private var activateOnItemClick: Boolean = false
 
+    private val labelUnknown = ctx.getString(R.string.unknown)
+
     fun setActivateOnItemClick(activateOnItemClick: Boolean) {
         this.activateOnItemClick = activateOnItemClick
     }
@@ -172,7 +175,9 @@ class SwipeableConversationAdapter :
             // set data
             avatar.setImageDrawable(MultiIdenticon(item.participants))
 
-            sender.text = item.participants.mapNotNull { it.alias }.joinToString()
+            sender.text = item.participants.sortedBy {
+                (it.alias?.let { 0 } ?: 1) + if (it.isChan) 2 else 0
+            }.map { it.alias ?: labelUnknown }.distinct().joinToString()
             subject.text = prepareMessageExtract(item.subject)
             extract.text = prepareMessageExtract(item.extract)
             if (item.hasUnread()) {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 90bb80f..d7fe9af 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -149,4 +149,5 @@ As an alternative you could configure a trusted node in the settings, but as of
     <string name="preference_group_advanced_summary"></string>
     <string name="preference_group_experimental">Experimental</string>
     <string name="preference_group_experimental_summary">Only change if you know what you\'re doing</string>
+    <string name="unknown">Unknown</string>
 </resources>