diff --git a/apps/process-list/process-list.c b/apps/process-list/process-list.c
index 5dc8e7469..75b8de708 100644
--- a/apps/process-list/process-list.c
+++ b/apps/process-list/process-list.c
@@ -29,7 +29,7 @@
  *
  * This file is part of the Contiki desktop environment
  *
- * $Id: process-list.c,v 1.4 2007/08/30 20:32:29 oliverschmidt Exp $
+ * $Id: process-list.c,v 1.5 2007/09/22 04:12:30 matsutsuka Exp $
  *
  */
 
@@ -53,7 +53,7 @@ static struct ctk_label processnamelabels[MAX_PROCESSLABELS];
 
 static struct ctk_label killlabel =
   {CTK_LABEL(0, PROCESSLIST_HEIGHT - 2, 12, 1, "Kill process")};
-static char killprocnum[3];
+static char killprocnum[3] = "";
 static struct ctk_textentry killtextentry =
   {CTK_TEXTENTRY(13, PROCESSLIST_HEIGHT - 2, 2, 1, killprocnum, 2)};
 static struct ctk_button killbutton =