diff --git a/lib/database.js b/lib/database.js
index b9bd65a..2abd12f 100644
--- a/lib/database.js
+++ b/lib/database.js
@@ -21,7 +21,7 @@ var mongoose = require('mongoose')
   , coindesk = require('./apis/coindesk');
 
 function find_address(hash, cb) {
-  Address.findOne({a_id: hash}, function(err, address) {
+  Address.findOne({a_id: { $regex: hash, $options: 'i' }}, function(err, address) {
     if(address) {
       return cb(address);
     } else {
diff --git a/lib/markets/database.js b/lib/markets/database.js
index b9bd65a..2abd12f 100644
--- a/lib/markets/database.js
+++ b/lib/markets/database.js
@@ -21,7 +21,7 @@ var mongoose = require('mongoose')
   , coindesk = require('./apis/coindesk');
 
 function find_address(hash, cb) {
-  Address.findOne({a_id: hash}, function(err, address) {
+  Address.findOne({a_id: { $regex: hash, $options: 'i' }}, function(err, address) {
     if(address) {
       return cb(address);
     } else {