diff --git a/edge.c b/edge.c
index 16f2174..9a3c56d 100644
--- a/edge.c
+++ b/edge.c
@@ -441,7 +441,7 @@ static int loadFromCLI(int argc, char *argv[], n2n_edge_conf_t *conf, n2n_priv_c
   u_char c;
 
   while((c = getopt_long(argc, argv,
-			 "k:a:bc:Eu:g:m:M:s:d:l:p:fvhrt:i:SDL:A::"
+			 "k:a:bc:Eu:g:m:M:s:d:l:p:fvhrt:i:SDL:zA::"
 #ifdef __linux__
 			 "T:"
 #endif