diff --git a/source/ubl-settings-update.c b/source/ubl-settings-update.c
index 0431ba0..c0a5d66 100644
--- a/source/ubl-settings-update.c
+++ b/source/ubl-settings-update.c
@@ -1554,7 +1554,7 @@ repo_add_window *yon_repo_add_window_new(){
     g_signal_connect(G_OBJECT(window->UsageDefaultCheck),"toggled",G_CALLBACK(yon_gtk_widget_set_sensitive_from_toggle_button_inversed),window->UsageEnableSearchCheck);
     g_signal_connect(G_OBJECT(window->UsageDefaultCheck),"toggled",G_CALLBACK(yon_gtk_widget_set_sensitive_from_toggle_button_inversed),window->UsageEnableUpdateCheck);
     g_signal_connect(G_OBJECT(window->UsageDefaultCheck),"toggled",G_CALLBACK(yon_gtk_widget_set_sensitive_from_toggle_button_inversed),window->UsageSysupgradeCheck);
-
+    yon_gtk_entry_block_restricted_symbols(GTK_ENTRY(window->RepoNameEntry));
     g_signal_connect(G_OBJECT(window->SignDefaultCheck),"toggled",G_CALLBACK(on_sign_check_toggled),window);
     g_signal_connect(G_OBJECT(window->SignCell),"toggled",G_CALLBACK(on_sign_cell_toggled),window);
     // g_signal_connect(G_OBJECT(window->SourceListBox),"size-allocate",G_CALLBACK(on_scrolled_window_size_allocate),window);