diff --git a/lib/trader.js b/lib/trader.js
index ee181f71..48d4c5f5 100644
--- a/lib/trader.js
+++ b/lib/trader.js
@@ -21,7 +21,12 @@ var Trader = module.exports = function (db) {
 };
 
 Trader.prototype._findExchange = function (name) {
-  return require('lamassu-' + name);
+  try {
+    return require('lamassu-' + name);
+
+  } catch(_) {
+    throw new Error(name + ' module is not installed. Try running `npm install --save lamassu-' + name + '` first');
+  }
 };
 
 Trader.prototype._findTicker = function (name) {