diff --git a/test/webkit/utilities.test.ts b/test/webkit/utilities.test.ts
index 1a7e2a8..0aa0723 100644
--- a/test/webkit/utilities.test.ts
+++ b/test/webkit/utilities.test.ts
@@ -181,7 +181,6 @@ suite('Utilities', () => {
 
     suite('webkitUrlToClientUrl()', () => {
         const TEST_CLIENT_PATH = 'c:/site/scripts/a.js';
-        const TEST_WEBKIT_LOCAL_URL = 'file:///' + TEST_CLIENT_PATH;
         const TEST_WEBKIT_HTTP_URL = 'http://site.com/page/scripts/a.js';
         const TEST_CWD = 'c:/site';
 
@@ -189,10 +188,6 @@ suite('Utilities', () => {
             return require(MODULE_UNDER_TEST);
         }
 
-        test('file:/// urls are returned canonicalized', () => {
-            assert.equal(Utilities().webkitUrlToClientUrl('', TEST_WEBKIT_LOCAL_URL), TEST_CLIENT_PATH);
-        });
-
         test('an empty string is returned for a missing url', () => {
             assert.equal(Utilities().webkitUrlToClientUrl('', ''), '');
         });
diff --git a/test/webkit/webKitDebugAdapter.test.ts b/test/webkit/webKitDebugAdapter.test.ts
index 55feaa1..9d5e082 100644
--- a/test/webkit/webKitDebugAdapter.test.ts
+++ b/test/webkit/webKitDebugAdapter.test.ts
@@ -222,7 +222,7 @@ suite('WebKitDebugAdapter', () => {
                 // Just assert that the chrome path is some string with 'chrome' in the path, and there are >0 args
                 assert(chromePath.toLowerCase().indexOf('chrome') >= 0);
                 assert(args.indexOf('--remote-debugging-port=9222') >= 0);
-                assert(args.indexOf('a.js') >= 0);
+                assert(args.indexOf('c:/a.js') >= 0);
                 assert(args.indexOf('abc') >= 0);
                 assert(args.indexOf('def') >= 0);
                 spawnCalled = true;
@@ -230,6 +230,8 @@ suite('WebKitDebugAdapter', () => {
                 return { on: () => { } };
             }
 
+            // actual path.resolve returns system-dependent slashes
+            mockery.registerMock('path', { resolve: (a, b) => a + b });
             mockery.registerMock('child_process', { spawn });
             mockery.registerMock('fs', { statSync: () => true });
             mockery.registerMock('os', {
@@ -258,7 +260,7 @@ suite('WebKitDebugAdapter', () => {
 });
 
 function attach(wkda: _WebKitDebugAdapter): Promise<void> {
-    return wkda.attach({ address: '127.0.0.1', port: 9222, cwd: '.' });
+    return wkda.attach({ address: '127.0.0.1', port: 9222, cwd: 'c:/' });
 }
 
 class DefaultMockWebKitConnection {
diff --git a/webkit/webKitDebugAdapter.ts b/webkit/webKitDebugAdapter.ts
index 7686c70..4a02f16 100644
--- a/webkit/webKitDebugAdapter.ts
+++ b/webkit/webKitDebugAdapter.ts
@@ -222,7 +222,7 @@ export class WebKitDebugAdapter implements IDebugAdapter {
     }
 
     public attach(args: IAttachRequestArgs): Promise<void> {
-        if (args.address !== 'localhost') {
+        if (args.address !== 'localhost' && args.address !== '127.0.0.1') {
             return Promise.reject('Remote debugging is not supported');
         }