diff --git a/source/ubl-settings-bootloader.c b/source/ubl-settings-bootloader.c
index 1c59fc1..eff6fc9 100644
--- a/source/ubl-settings-bootloader.c
+++ b/source/ubl-settings-bootloader.c
@@ -184,7 +184,7 @@ void yon_interface_update(main_window *widgets){
             free(yon_char_divide_search(username,"[",-1));
             yon_char_remove_last_symbol(username,']');
             gtk_list_store_append(widgets->BootUsersList,&iter);
-            gtk_list_store_set(widgets->BootUsersList,&iter,0,yon_char_parsed_check_exist(admins_parsed,admins_size,username),1,username,2,"******",-1);
+            gtk_list_store_set(widgets->BootUsersList,&iter,0,yon_char_parsed_check_exist(admins_parsed,admins_size,username)>-1,1,username,2,"******",-1);
 
         }
     }
@@ -293,6 +293,9 @@ void on_kernel_parameter_switch(GtkCellRenderer *, char *path, main_window *widg
                                         gtk_entry_set_text(GTK_ENTRY(widgets->CommandLineParametersEntry),final);
                                         free(final);
                                     } else {
+                                        yon_char_parsed_free(parsed,size);
+                                        size=0;
+                                        parsed=NULL;
                                         gtk_entry_set_text(GTK_ENTRY(widgets->CommandLineParametersEntry),"");
                                         yon_config_remove_by_key(GRUB_CMDLINE_LINUX_parameter);
                                     }