diff --git a/package/mtk/applications/mtwifi-cfg/files/mtwifi-cfg/mtwifi_cfg b/package/mtk/applications/mtwifi-cfg/files/mtwifi-cfg/mtwifi_cfg
index fe89ff72b3..f66f224857 100755
--- a/package/mtk/applications/mtwifi-cfg/files/mtwifi-cfg/mtwifi_cfg
+++ b/package/mtk/applications/mtwifi-cfg/files/mtwifi-cfg/mtwifi_cfg
@@ -234,7 +234,7 @@ function mtwifi_cfg_setup(argv)
     if vif_num == 0 then
         nixio.syslog("err", "mtwifi-cfg: not valid vif found!")
         return
-    elseif vif_num > defs.max_mbssid then
+    elseif bssid_num > defs.max_mbssid then
         nixio.syslog("err", "mtwifi-cfg: too many vifs!")
         return
     end