diff --git a/main.c b/main.c
index 431faa0..15c5e1c 100644
--- a/main.c
+++ b/main.c
@@ -25,6 +25,7 @@ int isinarray( int pid, int array[], int n )
 int getutmp( int pid )
 {
 	struct utmp * utmp;
+	setutent();
 	while (	(utmp = getutent()) == NULL )
 	{
 		printf("toto");