diff --git a/src/userprog/process.c b/src/userprog/process.c
index fd07a07..d5f0621 100644
--- a/src/userprog/process.c
+++ b/src/userprog/process.c
@@ -102,7 +102,7 @@ start_process (void *file_name_)
   struct list arg_list;
   list_init (&arg_list);
 
-  int arg_count = 1;
+  int arg_count = 0;
   while (arg != NULL)
     {
       push_to_stack (&if_.esp, arg, (strlen (arg) + 1) * sizeof (char));