--- src/pstree.c
+++ src/pstree.c	2010-07-13 10:18:31.454925471 +0000
@@ -69,7 +69,7 @@ extern const char *__progname;
 #define        VT_HD        "w"
 
 typedef struct _proc {
-    char comm[COMM_LEN + 1];
+    char comm[COMM_LEN + 2 + 1];     /* add another 2 for thread brackets */
     char **argv;                /* only used : argv[0] is 1st arg; undef if argc < 1 */
     int argc;                        /* with -a   : number of arguments, -1 if swapped    */
     pid_t pid;