diff --git a/app/ui/main_app_window.py b/app/ui/main_app_window.py
index fde526e2..c8f6096a 100644
--- a/app/ui/main_app_window.py
+++ b/app/ui/main_app_window.py
@@ -58,8 +58,8 @@ class Application(Gtk.Application):
 
     _FAV_ELEMENTS = ("fav_cut_popup_item", "fav_paste_popup_item", "fav_locate_popup_item", "fav_iptv_popup_item",
                      "fav_insert_marker_popup_item", "fav_insert_space_popup_item", "fav_edit_sub_menu_popup_item",
-                     "fav_edit_popup_item", "fav_picon_popup_item", "fav_copy_popup_item",
-                     "fav_epg_configuration_popup_item", "fav_add_alt_popup_item")
+                     "fav_edit_popup_item", "fav_picon_popup_item", "fav_copy_popup_item", "fav_add_alt_popup_item",
+                     "fav_epg_configuration_popup_item", "fav_mark_dup_popup_item")
 
     _BOUQUET_ELEMENTS = ("bouquets_new_popup_item", "bouquets_edit_popup_item", "bouquets_cut_popup_item",
                          "bouquets_copy_popup_item", "bouquets_paste_popup_item", "bouquet_import_popup_item",
@@ -135,6 +135,7 @@ class Application(Gtk.Application):
                           "on_insert_space": self.on_insert_space,
                           "on_fav_press": self.on_fav_press,
                           "on_locate_in_services": self.on_locate_in_services,
+                          "on_mark_duplicates": self.on_mark_duplicates,
                           "on_picons_manager_show": self.on_picons_manager_show,
                           "on_filter_changed": self.on_filter_changed,
                           "on_filter_type_toggled": self.on_filter_type_toggled,
@@ -3232,6 +3233,17 @@ class Application(Gtk.Application):
     def on_locate_in_services(self, view):
         locate_in_services(view, self._services_view, self._main_window)
 
+    def on_mark_duplicates(self, item):
+        """ Marks services with duplicate [names] in the fav list.  """
+        from collections import Counter
+
+        dup = Counter(r[Column.FAV_SERVICE] for r in self._fav_model if r[Column.FAV_TYPE] not in self._marker_types)
+        dup = {k for k, v in dup.items() if v > 1}
+
+        for r in self._fav_model:
+            if r[Column.FAV_SERVICE] in dup:
+                r[Column.FAV_BACKGROUND] = self._NEW_COLOR
+
     # ***************** Picons *********************#
 
     def on_picons_manager_show(self, action, value=None):
diff --git a/app/ui/main_window.glade b/app/ui/main_window.glade
index bf21cc78..bde4c938 100644
--- a/app/ui/main_window.glade
+++ b/app/ui/main_window.glade
@@ -308,6 +308,15 @@ Author: Dmitriy Yefremov
         <signal name="activate" handler="on_locate_in_services" object="fav_tree_view" swapped="no"/>
       </object>
     </child>
+    <child>
+      <object class="GtkMenuItem" id="fav_mark_dup_popup_item">
+        <property name="visible">True</property>
+        <property name="sensitive">False</property>
+        <property name="can_focus">False</property>
+        <property name="label" translatable="yes">Mark duplicates</property>
+        <signal name="activate" handler="on_mark_duplicates" swapped="no"/>
+      </object>
+    </child>
     <child>
       <object class="GtkSeparatorMenuItem" id="fav_pupup_separator_3">
         <property name="visible">True</property>