diff --git a/octave.c b/octave.c
index 38babf4..c7f5e2d 100644
--- a/octave.c
+++ b/octave.c
@@ -834,13 +834,13 @@ pid_t pid;
           if (*(cmd+1) != '\0') printf("ignore %s\n",cmd+1);
           sprintf(com,"%s -L %s|grep %s%s%s",IPT,OUTP,DREJ,AWK5,SUNIC);
           pr_encours();
-          comsh(com,0);
+          comsh(com,EX_NOERR);
           break;
         case 'R' :
           if (*(cmd+1) != '\0') printf("ignore %s\n",cmd+1);
           sprintf(com,"%s -L|grep %s%s%s",IP6T,DREJ,AWK4,SUNIC);
           pr_encours();
-          comsh(com,0);
+          comsh(com,EX_NOERR);
           break;
         case 'S' :
           if (*(cmd+1) != '\0') printf("ignore %s\n",cmd+1);
@@ -852,7 +852,7 @@ pid_t pid;
           if (*(cmd+1) != '\0') printf("ignore %s\n",cmd+1);
           sprintf(com,"%s -L %s|grep %s%s%s",IPT,MYCH,DACC,AWK5,SUNIC);
           pr_encours();
-          comsh(com,0);
+          comsh(com,EX_NOERR);
           break;
         case ' ' :
           if (*(cmd+1) != '\0') comsh(cmd+1,0);