diff --git a/lib/PoolConfig.js b/lib/PoolConfig.js
index 2017eba3a..a5fa984d7 100644
--- a/lib/PoolConfig.js
+++ b/lib/PoolConfig.js
@@ -3,6 +3,10 @@ var ConnectionConfig = require('./ConnectionConfig');
 
 module.exports = PoolConfig;
 function PoolConfig(options) {
+  if (typeof options === 'string') {
+    options = ConnectionConfig.parseURL(options);
+  }
+
   this.connectionConfig   = new ConnectionConfig(options);
   this.waitForConnections = (options.waitForConnections === undefined)
     ? true