diff --git a/spec/ParseAPI.spec.js b/spec/ParseAPI.spec.js
index 0901b4dfa4..7bc7aa0a0b 100644
--- a/spec/ParseAPI.spec.js
+++ b/spec/ParseAPI.spec.js
@@ -384,7 +384,7 @@ describe('miscellaneous', function() {
       obj.set('foo', 'bar');
       return obj.save();
     }).then(() => {
-      var db = DatabaseAdapter.getDatabaseConnection(appId);
+      var db = DatabaseAdapter.getDatabaseConnection(appId, 'test_');
       return db.mongoFind('TestObject', {}, {});
     }).then((results) => {
       expect(results.length).toEqual(1);
diff --git a/spec/ParseGlobalConfig.spec.js b/spec/ParseGlobalConfig.spec.js
index 0257fe9cbb..8c29ee4835 100644
--- a/spec/ParseGlobalConfig.spec.js
+++ b/spec/ParseGlobalConfig.spec.js
@@ -1,9 +1,10 @@
+'use strict';
 
 var request = require('request');
 var Parse = require('parse/node').Parse;
 var DatabaseAdapter = require('../src/DatabaseAdapter');
 
-var database = DatabaseAdapter.getDatabaseConnection('test');
+let database = DatabaseAdapter.getDatabaseConnection('test', 'test_');
 
 describe('a GlobalConfig', () => {
   beforeEach(function(done) {
diff --git a/spec/ParseInstallation.spec.js b/spec/ParseInstallation.spec.js
index cef6871ee7..1fb1950f43 100644
--- a/spec/ParseInstallation.spec.js
+++ b/spec/ParseInstallation.spec.js
@@ -1,3 +1,4 @@
+'use strict';
 // These tests check the Installations functionality of the REST API.
 // Ported from installation_collection_test.go
 
@@ -9,7 +10,7 @@ var Parse = require('parse/node').Parse;
 var rest = require('../src/rest');
 
 var config = new Config('test');
-var database = DatabaseAdapter.getDatabaseConnection('test');
+let database = DatabaseAdapter.getDatabaseConnection('test', 'test_');
 
 describe('Installations', () => {
 
diff --git a/spec/RestCreate.spec.js b/spec/RestCreate.spec.js
index 7ccd39d3a1..cddfd598d0 100644
--- a/spec/RestCreate.spec.js
+++ b/spec/RestCreate.spec.js
@@ -8,7 +8,7 @@ var rest = require('../src/rest');
 var request = require('request');
 
 var config = new Config('test');
-var database = DatabaseAdapter.getDatabaseConnection('test');
+var database = DatabaseAdapter.getDatabaseConnection('test', 'test_');
 
 describe('rest create', () => {
   it('handles _id', (done) => {
diff --git a/src/Config.js b/src/Config.js
index 639c36b63e..8ceeb0e1ce 100644
--- a/src/Config.js
+++ b/src/Config.js
@@ -5,12 +5,10 @@
 import cache from './cache';
 
 export class Config {
+  constructor(applicationId: string, mount: string) {
+    let DatabaseAdapter = require('./DatabaseAdapter');
 
-  constructor(applicationId, mount) {
-    
-    var DatabaseAdapter = require('./DatabaseAdapter');
-
-    var cacheInfo = cache.apps[applicationId];
+    let cacheInfo = cache.apps[applicationId];
     this.valid = !!cacheInfo;
     if (!this.valid) {
       return;
@@ -27,7 +25,7 @@ export class Config {
     this.facebookAppIds = cacheInfo.facebookAppIds;
     this.enableAnonymousUsers = cacheInfo.enableAnonymousUsers;
     this.allowClientClassCreation = cacheInfo.allowClientClassCreation;
-    this.database = DatabaseAdapter.getDatabaseConnection(applicationId);
+    this.database = DatabaseAdapter.getDatabaseConnection(applicationId, this.collectionPrefix);
     this.hooksController = cacheInfo.hooksController;
     this.filesController = cacheInfo.filesController;
     this.pushController = cacheInfo.pushController;   
@@ -36,7 +34,7 @@ export class Config {
 
     this.mount = mount;
   }
-};
+}
 
 export default Config;
 module.exports = Config;
diff --git a/src/Controllers/HooksController.js b/src/Controllers/HooksController.js
index d059396afb..1e47acd782 100644
--- a/src/Controllers/HooksController.js
+++ b/src/Controllers/HooksController.js
@@ -1,23 +1,31 @@
-var DatabaseAdapter = require('../DatabaseAdapter'),
-    triggers = require('../triggers'),
-    request = require('request');
-const collection = "_Hooks";
+/** @flow weak */
+
+import * as DatabaseAdapter from "../DatabaseAdapter";
+import * as triggers from "../triggers";
+import * as Parse from "parse/node";
+import * as request from "request";
+
+const DefaultHooksCollectionName = "_Hooks";
 
 export class HooksController {
-    
-  constructor(applicationId) {
-    this.applicationId = applicationId;
+  _applicationId: string;
+  _collectionPrefix: string;
+  _collection;
+
+  constructor(applicationId: string, collectionPrefix: string = '') {
+    this._applicationId = applicationId;
+    this._collectionPrefix = collectionPrefix;
   }
   
   database() {
-    return DatabaseAdapter.getDatabaseConnection(this.applicationId);
+    return DatabaseAdapter.getDatabaseConnection(this._applicationId, this._collectionPrefix);
   }
   
   collection() {
     if (this._collection) {
       return Promise.resolve(this._collection)
     }
-    return this.database().rawCollection(collection).then((collection) => {
+    return this.database().rawCollection(DefaultHooksCollectionName).then((collection) => {
       this._collection = collection;
       return collection;
     });
@@ -40,12 +48,12 @@ export class HooksController {
   }
   
   deleteFunction(functionName) {
-    triggers.removeFunction(functionName, this.applicationId);
+    triggers.removeFunction(functionName, this._applicationId);
     return this.delete({functionName: functionName});
   }
   
   deleteTrigger(className, triggerName) {
-    triggers.removeTrigger(triggerName, className, this.applicationId);
+    triggers.removeTrigger(triggerName, className, this._applicationId);
     return this.delete({className: className, triggerName: triggerName});
   }
   
@@ -60,7 +68,7 @@ export class HooksController {
   getOne(query) {
     return this.collection()
     .then(coll => coll.findOne(query, {_id: 0}))
-    .then(hook => {
+    .then(hook => {
       return hook;
     });
   }
@@ -68,7 +76,7 @@ export class HooksController {
   get(query) {
     return this.collection()
     .then(coll => coll.find(query, {_id: 0}).toArray())
-    .then(hooks => {
+    .then(hooks => {
       return hooks;
     });
   }
@@ -102,9 +110,9 @@ export class HooksController {
     var wrappedFunction = wrapToHTTPRequest(hook);
     wrappedFunction.url = hook.url;
     if (hook.className) {
-      triggers.addTrigger(hook.triggerName, hook.className, wrappedFunction, this.applicationId)
+      triggers.addTrigger(hook.triggerName, hook.className, wrappedFunction, this._applicationId)
     } else {
-      triggers.addFunction(hook.functionName, wrappedFunction, null, this.applicationId);
+      triggers.addFunction(hook.functionName, wrappedFunction, null, this._applicationId);
     }
   } 
   
diff --git a/src/DatabaseAdapter.js b/src/DatabaseAdapter.js
index 904e6c3e7d..5c95741890 100644
--- a/src/DatabaseAdapter.js
+++ b/src/DatabaseAdapter.js
@@ -1,3 +1,4 @@
+/** @flow weak */
 // Database Adapter
 //
 // Allows you to change the underlying database.
@@ -13,7 +14,6 @@
 // * This list is incomplete and the database process is not fully modularized.
 //
 // Default is ExportAdapter, which uses mongo.
-import cache from './cache';
 
 var ExportAdapter = require('./ExportAdapter');
 
@@ -40,14 +40,14 @@ function clearDatabaseURIs() {
   dbConnections = {};
 }
 
-function getDatabaseConnection(appId) {
+function getDatabaseConnection(appId: string, collectionPrefix: string) {
   if (dbConnections[appId]) {
     return dbConnections[appId];
   }
 
   var dbURI = (appDatabaseURIs[appId] ? appDatabaseURIs[appId] : databaseURI);
   dbConnections[appId] = new adapter(dbURI, {
-    collectionPrefix: cache.apps[appId]['collectionPrefix']
+    collectionPrefix: collectionPrefix
   });
   dbConnections[appId].connect();
   return dbConnections[appId];
@@ -59,5 +59,5 @@ module.exports = {
   setAdapter: setAdapter,
   setDatabaseURI: setDatabaseURI,
   setAppDatabaseURI: setAppDatabaseURI,
-  clearDatabaseURIs: clearDatabaseURIs,
+  clearDatabaseURIs: clearDatabaseURIs
 };
diff --git a/src/index.js b/src/index.js
index 06ceb19a87..ad715902f5 100644
--- a/src/index.js
+++ b/src/index.js
@@ -124,7 +124,7 @@ function ParseServer({
   const filesController = new FilesController(filesControllerAdapter);
   const pushController = new PushController(pushControllerAdapter);
   const loggerController = new LoggerController(loggerControllerAdapter);
-  const hooksController = new HooksController(appId);
+  const hooksController = new HooksController(appId, collectionPrefix);
   
   cache.apps[appId] = {
     masterKey: masterKey,
@@ -141,7 +141,7 @@ function ParseServer({
     hooksController: hooksController,
     enableAnonymousUsers: enableAnonymousUsers,
     allowClientClassCreation: allowClientClassCreation,
-    oauth: oauth,
+    oauth: oauth
   };
 
   // To maintain compatibility. TODO: Remove in v2.1