diff --git a/README.md b/README.md
index 99a7f53..393618a 100644
--- a/README.md
+++ b/README.md
@@ -40,9 +40,11 @@ I recommend to disable VS Code's built-in PHP IntelliSense by setting `php.sugge
 ### Column-accurate error reporting
 ![Error reporting demo](images/publishDiagnostics.png)
 
-### Format code
+### Code style linting
 Please use a dedicated extension like [PHP CodeSniffer](https://marketplace.visualstudio.com/items?itemName=ikappas.phpcs).
 
+### Format code
+Please use a dedicated extension like [PHP CS Fixer](https://marketplace.visualstudio.com/items?itemName=junstyle.php-cs-fixer).
 
 ## Todo
  - Rename
@@ -54,7 +56,7 @@ Clone whole repository and in root directory execute:
 ```bash
 composer install
 npm install
-npm run compile
+npm run build
 code .
 ```
 The last command will open the folder in VS Code. Hit `F5` to launch an Extension Development Host with the extension.
diff --git a/composer.json b/composer.json
index 0e0660b..55ee04e 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "minimum-stability": "dev",
     "prefer-stable": true,
     "require": {
-        "felixfbecker/language-server": "v5.3.7"
+        "felixfbecker/language-server": "v5.4.0"
     },
     "scripts": {
         "parse-stubs": "LanguageServer\\ComposerScripts::parseStubs",
diff --git a/composer.lock b/composer.lock
index 9cad1ce..8049b81 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "80898332fb242b9c923adfeb741b3c0c",
+    "content-hash": "384d25adb13c4fee0e9cbbd7196b7c75",
     "packages": [
         {
             "name": "composer/ca-bundle",
@@ -265,6 +265,50 @@
             ],
             "time": "2017-04-03T19:08:52+00:00"
         },
+        {
+            "name": "composer/xdebug-handler",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/xdebug-handler.git",
+                "reference": "c919dc6c62e221fc6406f861ea13433c0aa24f08"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/c919dc6c62e221fc6406f861ea13433c0aa24f08",
+                "reference": "c919dc6c62e221fc6406f861ea13433c0aa24f08",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.2 || ^7.0",
+                "psr/log": "^1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Composer\\XdebugHandler\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "John Stevenson",
+                    "email": "john-stevenson@blueyonder.co.uk"
+                }
+            ],
+            "description": "Restarts a process without xdebug.",
+            "keywords": [
+                "Xdebug",
+                "performance"
+            ],
+            "time": "2018-04-11T15:42:36+00:00"
+        },
         {
             "name": "felixfbecker/advanced-json-rpc",
             "version": "v3.0.1",
@@ -308,26 +352,27 @@
         },
         {
             "name": "felixfbecker/language-server",
-            "version": "v5.3.7",
+            "version": "v5.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/felixfbecker/php-language-server.git",
-                "reference": "e10896f90554c2f95b052c09fbc3685e84fb9a60"
+                "reference": "02b7d2fdb6ec81badef53668d3693412bd00b748"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/felixfbecker/php-language-server/zipball/e10896f90554c2f95b052c09fbc3685e84fb9a60",
-                "reference": "e10896f90554c2f95b052c09fbc3685e84fb9a60",
+                "url": "https://api.github.com/repos/felixfbecker/php-language-server/zipball/02b7d2fdb6ec81badef53668d3693412bd00b748",
+                "reference": "02b7d2fdb6ec81badef53668d3693412bd00b748",
                 "shasum": ""
             },
             "require": {
-                "composer/composer": "^1.3",
+                "composer/xdebug-handler": "^1.0",
                 "felixfbecker/advanced-json-rpc": "^3.0.0",
                 "jetbrains/phpstorm-stubs": "dev-master",
                 "microsoft/tolerant-php-parser": "0.0.*",
                 "netresearch/jsonmapper": "^1.0",
                 "php": "^7.0",
                 "phpdocumentor/reflection-docblock": "^4.0.0",
+                "psr/log": "^1.0",
                 "sabre/event": "^5.0",
                 "sabre/uri": "^2.0",
                 "webmozart/glob": "^4.1",
@@ -374,7 +419,7 @@
                 "studio",
                 "visual"
             ],
-            "time": "2018-02-28T19:21:04+00:00"
+            "time": "2018-03-11T20:50:12+00:00"
         },
         {
             "name": "jetbrains/phpstorm-stubs",
@@ -477,16 +522,16 @@
         },
         {
             "name": "microsoft/tolerant-php-parser",
-            "version": "v0.0.9",
+            "version": "v0.0.10",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Microsoft/tolerant-php-parser.git",
-                "reference": "59351ce2a6b32c6cafc667dc20a48da36f38a482"
+                "reference": "694b1538bb73fdcf1b8ea8e20f5acd03aae594e9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Microsoft/tolerant-php-parser/zipball/59351ce2a6b32c6cafc667dc20a48da36f38a482",
-                "reference": "59351ce2a6b32c6cafc667dc20a48da36f38a482",
+                "url": "https://api.github.com/repos/Microsoft/tolerant-php-parser/zipball/694b1538bb73fdcf1b8ea8e20f5acd03aae594e9",
+                "reference": "694b1538bb73fdcf1b8ea8e20f5acd03aae594e9",
                 "shasum": ""
             },
             "require": {
@@ -514,7 +559,7 @@
                 }
             ],
             "description": "Tolerant PHP-to-AST parser designed for IDE usage scenarios",
-            "time": "2018-02-14T18:39:41+00:00"
+            "time": "2018-03-18T03:12:58+00:00"
         },
         {
             "name": "netresearch/jsonmapper",
@@ -759,16 +804,16 @@
         },
         {
             "name": "sabre/event",
-            "version": "5.0.2",
+            "version": "5.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sabre-io/event.git",
-                "reference": "3cb619803d5e3e38ed7c309250da5589676aedc8"
+                "reference": "f5cf802d240df1257866d8813282b98aee3bc548"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sabre-io/event/zipball/3cb619803d5e3e38ed7c309250da5589676aedc8",
-                "reference": "3cb619803d5e3e38ed7c309250da5589676aedc8",
+                "url": "https://api.github.com/repos/sabre-io/event/zipball/f5cf802d240df1257866d8813282b98aee3bc548",
+                "reference": "f5cf802d240df1257866d8813282b98aee3bc548",
                 "shasum": ""
             },
             "require": {
@@ -815,7 +860,7 @@
                 "reactor",
                 "signal"
             ],
-            "time": "2017-06-10T09:11:18+00:00"
+            "time": "2018-03-05T13:55:47+00:00"
         },
         {
             "name": "sabre/uri",
diff --git a/src/extension.ts b/src/extension.ts
index 0e1e01e..fc9b83f 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -93,7 +93,10 @@ export async function activate(context: vscode.ExtensionContext): Promise<void>
     // Options to control the language client
     const clientOptions: LanguageClientOptions = {
         // Register the server for php documents
-        documentSelector: ['php'],
+        documentSelector: [
+            { scheme: 'file', language: 'php' },
+            { scheme: 'untitled', language: 'php' }
+        ],
         uriConverters: {
             // VS Code by default %-encodes even the colon after the drive letter
             // NodeJS handles it much better