diff --git a/web/gui/src/main/webapp/json/ev/colors/ev_12_onos.json b/web/gui/src/main/webapp/json/ev/colors/ev_12_onos.json
index 77fe846..4f3af68 100644
--- a/web/gui/src/main/webapp/json/ev/colors/ev_12_onos.json
+++ b/web/gui/src/main/webapp/json/ev/colors/ev_12_onos.json
@@ -6,6 +6,7 @@
     "online": false,
     "master": "onos-2",
     "labels": [
+      "",
       "opt-9",
       "0000ffffffffff09"
     ],