diff --git a/packages/react-navigation/src/createNavigationContainer.js b/packages/react-navigation/src/createNavigationContainer.js
index 20232281..3cfc5e38 100644
--- a/packages/react-navigation/src/createNavigationContainer.js
+++ b/packages/react-navigation/src/createNavigationContainer.js
@@ -6,7 +6,7 @@ import NavigationActions from './NavigationActions';
 import getNavigation from './getNavigation';
 import invariant from './utils/invariant';
 import docsUrl from './utils/docsUrl';
-import { urlToPathAndParams } from './routers/PathUtils';
+import { urlToPathAndParams } from './routers/pathUtils';
 
 function isStateful(props) {
   return !props.navigation;
diff --git a/packages/react-navigation/src/react-navigation.js b/packages/react-navigation/src/react-navigation.js
index 9f6b3703..ee711cae 100644
--- a/packages/react-navigation/src/react-navigation.js
+++ b/packages/react-navigation/src/react-navigation.js
@@ -106,8 +106,8 @@ module.exports = {
   get validateRouteConfigMap() {
     return require('./routers/validateRouteConfigMap').default;
   },
-  get PathUtils() {
-    return require('./routers/PathUtils').default;
+  get pathUtils() {
+    return require('./routers/pathUtils').default;
   },
 
   // Views
diff --git a/packages/react-navigation/src/routers/StackRouter.js b/packages/react-navigation/src/routers/StackRouter.js
index e07b5584..d26c6d60 100644
--- a/packages/react-navigation/src/routers/StackRouter.js
+++ b/packages/react-navigation/src/routers/StackRouter.js
@@ -6,7 +6,7 @@ import StateUtils from '../StateUtils';
 import validateRouteConfigMap from './validateRouteConfigMap';
 import invariant from '../utils/invariant';
 import { generateKey } from './KeyGenerator';
-import { createPathParser } from './PathUtils';
+import { createPathParser } from './pathUtils';
 
 function behavesLikePushAction(action) {
   return (
diff --git a/packages/react-navigation/src/routers/SwitchRouter.js b/packages/react-navigation/src/routers/SwitchRouter.js
index 58317a69..e5b76dfd 100644
--- a/packages/react-navigation/src/routers/SwitchRouter.js
+++ b/packages/react-navigation/src/routers/SwitchRouter.js
@@ -5,7 +5,7 @@ import createConfigGetter from './createConfigGetter';
 import NavigationActions from '../NavigationActions';
 import StackActions from './StackActions';
 import validateRouteConfigMap from './validateRouteConfigMap';
-import { createPathParser } from './PathUtils';
+import { createPathParser } from './pathUtils';
 
 const defaultActionCreators = (route, navStateKey) => ({});
 
diff --git a/packages/react-navigation/src/routers/__tests__/PathHandling-test.js b/packages/react-navigation/src/routers/__tests__/PathHandling-test.js
index 8b2fa896..a5070039 100644
--- a/packages/react-navigation/src/routers/__tests__/PathHandling-test.js
+++ b/packages/react-navigation/src/routers/__tests__/PathHandling-test.js
@@ -6,7 +6,7 @@ import SwitchRouter from '../SwitchRouter';
 import StackRouter from '../StackRouter';
 import StackActions from '../StackActions';
 import NavigationActions from '../../NavigationActions';
-import { urlToPathAndParams } from '../PathUtils';
+import { urlToPathAndParams } from '../pathUtils';
 import { _TESTING_ONLY_normalize_keys } from '../KeyGenerator';
 
 beforeEach(() => {
diff --git a/packages/react-navigation/src/routers/__tests__/pathUtils-test.js b/packages/react-navigation/src/routers/__tests__/pathUtils-test.js
index d8093d6c..588a44ef 100644
--- a/packages/react-navigation/src/routers/__tests__/pathUtils-test.js
+++ b/packages/react-navigation/src/routers/__tests__/pathUtils-test.js
@@ -1,4 +1,4 @@
-import { urlToPathAndParams } from '../PathUtils';
+import { urlToPathAndParams } from '../pathUtils';
 
 test('urlToPathAndParams empty', () => {
   const { path, params } = urlToPathAndParams('foo://');