diff --git a/apps/shell/shell-time.c b/apps/shell/shell-time.c
index 6e0b28560..28891e45b 100644
--- a/apps/shell/shell-time.c
+++ b/apps/shell/shell-time.c
@@ -28,7 +28,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: shell-time.c,v 1.3 2008/02/10 12:24:43 oliverschmidt Exp $
+ * $Id: shell-time.c,v 1.4 2008/07/03 17:56:56 adamdunkels Exp $
  */
 
 /**
@@ -251,7 +251,7 @@ PROCESS_THREAD(shell_repeat_process, ev, data)
       reps, period, command);*/
 
   etimer_set(&etimer, CLOCK_SECOND * period);
-  for(i = 0; i < reps; ++i) {
+  for(i = 0; reps == 0 || i < reps; ++i) {
 
     process_start(&shell_repeat_server_process, command);
     process_post(&shell_repeat_server_process,