Index: dialogs/preferences-dialog.c
===================================================================
--- dialogs/preferences-dialog.c	(revision 3424)
+++ dialogs/preferences-dialog.c	(working copy)
@@ -476,8 +476,10 @@
 			   GtranslatorPreferencesDialog *dlg)
 {
 	g_return_if_fail(button == GTK_TOGGLE_BUTTON(dlg->priv->right_radiobutton));
-
-	gtranslator_prefs_manager_set_side_pane_position(TRUE);
+	if(gtk_widget_get_default_direction() == GTK_TEXT_DIR_RTL)
+		gtranslator_prefs_manager_set_side_pane_position(FALSE);
+	else
+		gtranslator_prefs_manager_set_side_pane_position(TRUE);
 }
 
 static void
@@ -485,8 +487,10 @@
 			  GtranslatorPreferencesDialog *dlg)
 {
 	g_return_if_fail(button == GTK_TOGGLE_BUTTON(dlg->priv->left_radiobutton));
-
-	gtranslator_prefs_manager_set_side_pane_position(FALSE);
+	if(gtk_widget_get_default_direction() == GTK_TEXT_DIR_RTL)
+		gtranslator_prefs_manager_set_side_pane_position(TRUE);
+	else
+		gtranslator_prefs_manager_set_side_pane_position(FALSE);
 }
 
 static void
@@ -496,7 +500,9 @@
 	
 	/*Setup initial value*/
 	pos = gtranslator_prefs_manager_get_side_pane_position();
-	
+	if(gtk_widget_get_default_direction() == GTK_TEXT_DIR_RTL)
+		pos = !pos;
+
 	if(pos)
 		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dlg->priv->right_radiobutton),
 					     pos);