diff --git a/web/gui/src/main/webapp/app/fw/svg/icon.js b/web/gui/src/main/webapp/app/fw/svg/icon.js
index cd5f66b..b8d249e 100644
--- a/web/gui/src/main/webapp/app/fw/svg/icon.js
+++ b/web/gui/src/main/webapp/app/fw/svg/icon.js
@@ -49,6 +49,7 @@
 
         devIcon_SWITCH: 'switch',
         devIcon_ROADM: 'roadm',
+        devIcon_OTN: 'otn',
         deviceTable: 'switch',
         flowTable: 'flowTable',
         portTable: 'portTable',