--- rpl/src/instructions_d5.c	2011/09/15 19:23:54	1.70
+++ rpl/src/instructions_d5.c	2011/09/20 08:56:23	1.71
@@ -2768,8 +2768,8 @@ instruction_detach(struct_processus *s_e
 		pthread_mutex_destroy(&((*s_etat_processus).mutex_allocation));
 		pthread_mutex_destroy(&((*s_etat_processus).protection_liste_mutexes));
 
-		pthread_mutex_unlock(&((*s_etat_processus).mutex_fork));
-		pthread_mutex_destroy(&((*s_etat_processus).mutex_fork));
+		sem_post(&((*s_etat_processus).semaphore_fork));
+		sem_destroy(&((*s_etat_processus).semaphore_fork));
 
 		free((*s_etat_processus).localisation);
 		free(s_argument_thread);