diff --git a/src/plugins/gprs.c b/src/plugins/gprs.c
index 75b2c93..0f798f7 100644
--- a/src/plugins/gprs.c
+++ b/src/plugins/gprs.c
@@ -257,7 +257,7 @@ static void _gprs_settings(GPRS * gprs)
 	/* button box */
 	bbox = gtk_hbutton_box_new();
 	gtk_button_box_set_layout(GTK_BUTTON_BOX(bbox), GTK_BUTTONBOX_END);
-	gtk_button_box_set_spacing(GTK_BUTTON_BOX(bbox), 4);
+	gtk_box_set_spacing(GTK_BOX(bbox), 4);
 	widget = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
 	g_signal_connect_swapped(widget, "clicked", G_CALLBACK(
 				_settings_on_cancel), gprs);