diff --git a/42sh/src/main/data_init.c b/42sh/src/main/data_init.c
index 12161d0d..cae2ce88 100644
--- a/42sh/src/main/data_init.c
+++ b/42sh/src/main/data_init.c
@@ -6,7 +6,7 @@
 /*   By: jhalford <jhalford@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2016/11/28 19:26:32 by jhalford          #+#    #+#             */
-/*   Updated: 2017/03/16 23:25:46 by ariard           ###   ########.fr       */
+/*   Updated: 2017/03/17 17:41:33 by gwojda           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -27,9 +27,13 @@ int		data_init(int ac, char **av)
 	data->local_var = NULL;
 	builtin_setenv(NULL, (char *[]){"local", "IFS", "\n ", 0}, NULL);
 	set_exitstatus(0, 1);
-	shlvl = ft_itoa(ft_atoi(ft_getenv(data->env, "SHLVL")) + 1);
-	builtin_setenv(NULL, (char *[]){"setenv", "SHLVL", shlvl, 0}, NULL);
-	ft_strdel(&shlvl);
+	shlvl = ft_getenv(data->env, "SHLVL");
+	if (shlvl)
+	{
+		shlvl = ft_itoa(ft_atoi(shlvl) + 1);
+		builtin_setenv(NULL, (char *[]){"setenv", "SHLVL", shlvl, 0}, NULL);
+		ft_strdel(&shlvl);
+	}
 	data->comp = NULL;
 	data->opts = 0;
 	exec_reset();