diff --git a/zebra/main.c b/zebra/main.c
index c47b83e..c9a19ed 100644
--- a/zebra/main.c
+++ b/zebra/main.c
@@ -223,7 +223,7 @@
     {
       int opt;
   
-      opt = getopt_long (argc, argv, "bdklf:hA:P:ru:v", longopts, 0);
+      opt = getopt_long (argc, argv, "bdklf:i:hA:P:ru:v", longopts, 0);
 
       if (opt == EOF)
 	break;