diff -uNrp trunk.orig/usb-linux.c trunk/usb-linux.c
--- trunk.orig/usb-linux.c	2008-09-17 02:11:53.000000000 +0200
+++ trunk/usb-linux.c	2008-09-17 14:07:01.000000000 +0200
@@ -1462,7 +1462,7 @@ static void hex2str(int val, char *str)
     if (val == -1)
         strcpy(str, "*");
     else
-        sprintf(str, "%x", val);
+        sprintf(str, "%04x", val);
 }
 
 void usb_host_info(void)
@@ -1474,12 +1474,12 @@ void usb_host_info(void)
     if (usb_auto_filter)
         term_printf("  Auto filters:\n");
     for (f = usb_auto_filter; f; f = f->next) {
-        char bus[10], addr[10], vid[10], pid[10];
+        char bus[10], addr[10], vid[5], pid[5];
         dec2str(f->bus_num, bus);
         dec2str(f->addr, addr);
         hex2str(f->vendor_id, vid);
         hex2str(f->product_id, pid);
-    	term_printf("    Device %s.%s ID %s:%s\n", bus, addr, vid, pid);
+        term_printf("    Device %s.%s ID %s:%s\n", bus, addr, vid, pid);
     }
 }