diff --git a/tools/virsh-interface.c b/tools/virsh-interface.c
index ae234e1e22..858052d341 100644
--- a/tools/virsh-interface.c
+++ b/tools/virsh-interface.c
@@ -441,6 +441,7 @@ static const vshCmdOptDef opts_interface_mac[] = {
     {.name = "interface",
      .type = VSH_OT_DATA,
      .flags = VSH_OFLAG_REQ,
+     .completer = virshInterfaceNameCompleter,
      .help = N_("interface name")
     },
     {.name = NULL}