diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b7a30fc..d79d35c 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -13,6 +13,7 @@
         android:theme="@style/Theme.KordophoneDroid"
         android:name=".KordophoneApplication"
         android:networkSecurityConfig="@xml/network_security_config"
+        android:usesCleartextTraffic="true"
         tools:targetApi="31">
         <activity
             android:name=".MainActivity"
diff --git a/app/src/main/java/net/buzzert/kordophonedroid/ui/messagelist/MessageListScreen.kt b/app/src/main/java/net/buzzert/kordophonedroid/ui/messagelist/MessageListScreen.kt
index e120326..c9f2dbb 100644
--- a/app/src/main/java/net/buzzert/kordophonedroid/ui/messagelist/MessageListScreen.kt
+++ b/app/src/main/java/net/buzzert/kordophonedroid/ui/messagelist/MessageListScreen.kt
@@ -68,6 +68,7 @@ fun MessageListScreen(
     
     LaunchedEffect(Unit) {
         Log.d("MessageListScreen", "Launched effect")
+        viewModel.markAsRead()
         viewModel.synchronize()
     }
 
diff --git a/app/src/main/java/net/buzzert/kordophonedroid/ui/messagelist/MessageListViewModel.kt b/app/src/main/java/net/buzzert/kordophonedroid/ui/messagelist/MessageListViewModel.kt
index 3b9246d..c1c89cf 100644
--- a/app/src/main/java/net/buzzert/kordophonedroid/ui/messagelist/MessageListViewModel.kt
+++ b/app/src/main/java/net/buzzert/kordophonedroid/ui/messagelist/MessageListViewModel.kt
@@ -83,6 +83,10 @@ class MessageListViewModel @Inject constructor(
         return pendingMessages.value.any { it.message.guid == message.guid }
     }
 
+    fun markAsRead() = viewModelScope.launch {
+        repository.markConversationAsRead(conversation!!)
+    }
+
     fun synchronize() = viewModelScope.launch {
         repository.synchronizeConversation(conversation!!)
     }
diff --git a/backend/src/main/java/net/buzzert/kordophone/backend/server/APIInterface.kt b/backend/src/main/java/net/buzzert/kordophone/backend/server/APIInterface.kt
index d959bfc..e5da4a2 100644
--- a/backend/src/main/java/net/buzzert/kordophone/backend/server/APIInterface.kt
+++ b/backend/src/main/java/net/buzzert/kordophone/backend/server/APIInterface.kt
@@ -47,6 +47,9 @@ interface APIInterface {
 
     @POST("/sendMessage")
     suspend fun sendMessage(@Body request: SendMessageRequest): Response<SendMessageResponse>
+
+    @POST("/markConversation")
+    suspend fun markConversation(@Query("guid") conversationGUID: String): Response<Void>
 }
 
 class ResponseDecodeError(val response: ResponseBody): Exception(response.string())
diff --git a/backend/src/main/java/net/buzzert/kordophone/backend/server/ChatRepository.kt b/backend/src/main/java/net/buzzert/kordophone/backend/server/ChatRepository.kt
index c5d7da7..a164904 100644
--- a/backend/src/main/java/net/buzzert/kordophone/backend/server/ChatRepository.kt
+++ b/backend/src/main/java/net/buzzert/kordophone/backend/server/ChatRepository.kt
@@ -169,6 +169,13 @@ class ChatRepository(
         _errorEncounteredChannel.emit(Error.ConnectionError(e))
     }
 
+    suspend fun markConversationAsRead(conversation: Conversation) = try {
+        apiInterface.markConversation(conversation.guid)
+    } catch (e: java.lang.Exception) {
+        // Don't report via the channel, but log it.
+        Log.e(REPO_LOG, "Error marking conversation as read: ${e.message}")
+    }
+
     fun close() {
         database.close()
     }