diff --git a/configure.ac b/configure.ac
index 9c11ab79..8cad5e8e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -199,7 +199,7 @@ AC_SUBST([GTHREAD_LIBS])
 AC_SUBST([GTHREAD_CFLAGS])
 
 dnl GTKMM
-PKG_CHECK_MODULES([GTKMM], [gtkmm-3.0 >= 3.0.0])
+PKG_CHECK_MODULES([GTKMM], [gtkmm-3.0 >= 3.4.0])
 AC_SUBST([GTKMM_LIBS])
 AC_SUBST([GTKMM_CFLAGS])
 
diff --git a/src/Win_GParted.cc b/src/Win_GParted.cc
index a30329ba..ea29baa7 100644
--- a/src/Win_GParted.cc
+++ b/src/Win_GParted.cc
@@ -1748,28 +1748,44 @@ void Win_GParted::show_help_dialog( const Glib::ustring & filename /* E.g., gpar
 		uri = uri + "?" + link_id ;
 	}
 
-	gscreen = gdk_screen_get_default() ;
-
+	gscreen = get_window()->get_screen()->gobj();
 	gtk_show_uri( gscreen, uri .c_str(), gtk_get_current_event_time(), &error ) ;
 	if ( error != NULL )
 	{
 		//Try opening yelp application directly
-		g_clear_error( &error );  // Clear error from trying to open gparted help manual above (gtk_show_uri).
-		Glib::ustring command = "yelp " + uri ;
-		gdk_spawn_command_line_on_screen( gscreen, command .c_str(), &error ) ;
-	}
 
-	if ( error != NULL )
-	{
-		Gtk::MessageDialog dialog( *this
-		                         , _( "Unable to open GParted Manual help file" )
-		                         , false
-		                         , Gtk::MESSAGE_ERROR
-		                         , Gtk::BUTTONS_OK
-		                         , true
-		                         ) ;
-		dialog .set_secondary_text( error ->message ) ;
-		dialog .run() ;
+		Glib::RefPtr<Gio::AppInfo> yelp
+			= Gio::AppInfo::create_from_commandline("yelp", "", Gio::APP_INFO_CREATE_SUPPORTS_URIS);
+
+		Glib::RefPtr<Gdk::AppLaunchContext> context
+			= get_window()->get_display()->get_app_launch_context();
+
+		context->set_timestamp(gtk_get_current_event_time());
+
+		bool launched;
+		try
+		{
+			launched = yelp->launch_uris(std::vector<std::string>(1, uri), context);
+		}
+		catch (Glib::Error& e)
+		{
+			std::cerr << e.what() << std::endl;
+			launched = false;
+		}
+
+		if (!launched)
+		{
+			Gtk::MessageDialog dialog(*this,
+			                          _( "Unable to open GParted Manual help file" ),
+			                          false,
+			                          Gtk::MESSAGE_ERROR,
+			                          Gtk::BUTTONS_OK,
+			                          true);
+			dialog.set_secondary_text(error->message);
+			dialog.run();
+		}
+
+		g_clear_error(&error);
 	}
 }