diff --git a/source/ubl-settings-usergroups.c b/source/ubl-settings-usergroups.c
index 73c1be3..2e93e4f 100644
--- a/source/ubl-settings-usergroups.c
+++ b/source/ubl-settings-usergroups.c
@@ -161,7 +161,7 @@ void yon_interface_update(main_window *widgets){
 				int wheel_size;
 				config_str wheel_parsed = yon_char_parse(wheel,&wheel_size,":");
 				char *param = config(ADDADM_parameter);
-				if ((atoi(parameters[1])==1000&&!yon_char_is_empty(param)&&!strcmp(param,"yes"))||yon_char_parsed_check_exist(wheel_parsed,wheel_size,login)>-1){
+				if ((parameters_size>1&&atoi(parameters[1])==1000&&!yon_char_is_empty(param)&&!strcmp(param,"yes"))||yon_char_parsed_check_exist(wheel_parsed,wheel_size,login)>-1){
 					rgba.red=253.0/255.0;
 					rgba.green=251.0/255.0;
 					rgba.blue=216.0/255.0;