diff --git a/ui/lib/contract-namer.js b/ui/lib/contract-namer.js
index 2400fa576..86bba1edc 100644
--- a/ui/lib/contract-namer.js
+++ b/ui/lib/contract-namer.js
@@ -11,7 +11,7 @@ const ethUtil = require('ethereumjs-util')
 
 module.exports = function (addr, identities = {}) {
   const checksummed = ethUtil.toChecksumAddress(addr)
-  if (contractMap.checksummed && contractMap[checksummed].name) {
+  if (contractMap[checksummed] && contractMap[checksummed].name) {
     return contractMap[checksummed].name
   }