diff --git a/ExportAdapter.js b/ExportAdapter.js
index 89cb6c5900..db586d8348 100644
--- a/ExportAdapter.js
+++ b/ExportAdapter.js
@@ -34,8 +34,21 @@ ExportAdapter.prototype.connect = function() {
     return this.connectionPromise;
   }
 
+  //http://regexr.com/3cn6m
+  if (!this.mongoURI.match(/^mongodb:\/\/((.+):(.+)@)?([^:@]+):([^:]+)\/(.+?)$/gm)) {
+    throw new Error("Invalid mongoURI: " + this.mongoURI)
+  }
+  var usernameStart = this.mongoURI.indexOf('://') + 3;
+  var lastAtIndex = this.mongoURI.lastIndexOf('@');
+  var encodedMongoURI = this.mongoURI;
+  var split = null;
+  if (lastAtIndex > 0) {
+    split = this.mongoURI.slice(usernameStart, lastAtIndex).split(':');
+    encodedMongoURI = this.mongoURI.slice(0, usernameStart) + encodeURIComponent(split[0]) + ':' + encodeURIComponent(split[1]) + this.mongoURI.slice(lastAtIndex);
+  }
+
   this.connectionPromise = Promise.resolve().then(() => {
-    return MongoClient.connect(this.mongoURI);
+    return MongoClient.connect(encodedMongoURI, {uri_decode_auth:true});
   }).then((db) => {
     this.db = db;
   });