diff --git a/src/application/main-window.vala b/src/application/main-window.vala
index cab37bd..d580c3e 100644
--- a/src/application/main-window.vala
+++ b/src/application/main-window.vala
@@ -45,6 +45,7 @@ public class MainWindow : Adw.ApplicationWindow
                 transcript_view.title = conversation.display_name;
                 
                 try {
+                    Repository.get_instance().mark_conversation_as_read(conversation.guid);
                     Repository.get_instance().sync_conversation(conversation.guid);
                 } catch (Error e) {
                     GLib.warning("Failed to sync conversation: %s", e.message);
diff --git a/src/service/interface/dbusservice.vala b/src/service/interface/dbusservice.vala
index 63879cf..b7b89ac 100644
--- a/src/service/interface/dbusservice.vala
+++ b/src/service/interface/dbusservice.vala
@@ -38,6 +38,9 @@ namespace DBusService {
 		[DBus (name = "SyncConversation")]
 		public abstract void sync_conversation(string conversation_id) throws DBusError, IOError;
 
+		[DBus (name = "MarkConversationAsRead")]
+		public abstract void mark_conversation_as_read(string conversation_id) throws DBusError, IOError;
+
 		[DBus (name = "ConversationsUpdated")]
 		public signal void conversations_updated();
 
diff --git a/src/service/interface/xml/net.buzzert.kordophonecd.Server.xml b/src/service/interface/xml/net.buzzert.kordophonecd.Server.xml
index a0898e3..cdef983 100644
--- a/src/service/interface/xml/net.buzzert.kordophonecd.Server.xml
+++ b/src/service/interface/xml/net.buzzert.kordophonecd.Server.xml
@@ -43,6 +43,12 @@
                         value="Initiates a background sync of a single conversation with the server."/>
         </method>
 
+        <method name="MarkConversationAsRead">
+            <arg type="s" name="conversation_id" direction="in"/>
+            <annotation name="org.freedesktop.DBus.DocString"
+                        value="Marks a conversation as read."/>
+        </method>
+
         <signal name="ConversationsUpdated">
             <annotation name="org.freedesktop.DBus.DocString"
                         value="Emitted when the list of conversations is updated."/>
diff --git a/src/service/repository.vala b/src/service/repository.vala
index 59aeab1..9c939c4 100644
--- a/src/service/repository.vala
+++ b/src/service/repository.vala
@@ -112,6 +112,14 @@ public class Repository : DBusServiceProxy {
         dbus_repository.sync_conversation(conversation_guid);
     }
 
+    public void mark_conversation_as_read(string conversation_guid) throws DBusServiceProxyError, GLib.Error {
+        if (dbus_repository == null) {
+            throw new DBusServiceProxyError.NOT_CONNECTED("Repository not connected");
+        }
+
+        dbus_repository.mark_conversation_as_read(conversation_guid);
+    }
+
     public void download_attachment(string attachment_guid, bool preview) throws DBusServiceProxyError, GLib.Error {
         if (dbus_repository == null) {
             throw new DBusServiceProxyError.NOT_CONNECTED("Repository not connected");