diff --git a/zebra/interface.c b/zebra/interface.c
index 7559795..5e89db9 100644
--- a/zebra/interface.c
+++ b/zebra/interface.c
@@ -736,6 +736,9 @@
   if (CHECK_FLAG (connected->flags, ZEBRA_IFA_SECONDARY))
     vty_out (vty, " secondary");
 
+  if (CHECK_FLAG (connected->flags, ZEBRA_IFA_UNNUMBERED))
+    vty_out (vty, " unnumbered");
+
   if (connected->label)
     vty_out (vty, " %s", connected->label);