diff --git a/composer.json b/composer.json
index 15fd275..4c9f7c0 100644
--- a/composer.json
+++ b/composer.json
@@ -1,33 +1,34 @@
 {
-  "name": "davidbadura/taskwarrior",
-  "description": "a php lib for taskwarrior",
-  "keywords": [
-    "task",
-    "taskwarrior"
-  ],
-  "type": "library",
-  "license": "MIT",
-  "authors": [
-    {
-      "name": "David Badura",
-      "email": "d.badura@gmx.de"
+    "name": "davidbadura/taskwarrior",
+    "description": "a php lib for taskwarrior",
+    "keywords": [
+        "task",
+        "taskwarrior"
+    ],
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "David Badura",
+            "email": "d.badura@gmx.de"
+        }
+    ],
+    "require": {
+        "php": ">=5.4",
+        "symfony/process": "~2.3",
+        "jms/serializer": "0.16.*",
+        "symfony/filesystem": "~2.3",
+        "nesbot/carbon": "~1.14",
+        "doctrine/collections": "~1.3",
+        "webmozart/path-util": "^2.0"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "~4.0",
+        "symfony/var-dumper": "~2.6"
+    },
+    "autoload": {
+        "psr-4": {
+            "DavidBadura\\Taskwarrior\\": "src"
+        }
     }
-  ],
-  "require": {
-    "php": ">=5.4",
-    "symfony/process": "~2.3",
-    "jms/serializer": "0.16.*",
-    "symfony/filesystem": "~2.3",
-    "nesbot/carbon": "~1.14",
-    "doctrine/collections": "~1.3"
-  },
-  "require-dev": {
-    "phpunit/phpunit": "~4.0",
-    "symfony/var-dumper": "~2.6"
-  },
-  "autoload": {
-    "psr-4": {
-      "DavidBadura\\Taskwarrior\\": "src"
-    }
-  }
 }
diff --git a/src/Taskwarrior.php b/src/Taskwarrior.php
index 37d0354..b643b71 100644
--- a/src/Taskwarrior.php
+++ b/src/Taskwarrior.php
@@ -7,6 +7,7 @@ use DavidBadura\Taskwarrior\Exception\CommandException;
 use DavidBadura\Taskwarrior\Exception\TaskwarriorException;
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\Process\Process;
+use Webmozart\PathUtil\Path;
 
 /**
  * @author David Badura <d.a.badura@gmail.com>
@@ -42,11 +43,11 @@ class Taskwarrior
      */
     public function __construct($taskrc = '~/.taskrc', $taskData = '~/.task', $rcOptions = [], $bin = 'task')
     {
-        $this->bin       = $bin;
+        $this->bin       = Path::canonicalize($bin);
         $this->rcOptions = array_merge(
             array(
-                'rc:' . $taskrc,
-                'rc.data.location=' . $taskData,
+                'rc:' . Path::canonicalize($taskrc),
+                'rc.data.location=' . Path::canonicalize($taskData),
                 'rc.json.array=true',
                 'rc.confirmation=no',
             ),
@@ -184,7 +185,7 @@ class Taskwarrior
         $filter = array_filter((array)$filter, 'trim');
 
         if ($filter) {
-            foreach($filter as $f) {
+            foreach ($filter as $f) {
                 $parts[] = "( " . $f . " )";
             }
         }
@@ -296,7 +297,7 @@ class Taskwarrior
      */
     private function createCommandLine(array $parts)
     {
-        $parts = array_map(function($part) {
+        $parts = array_map(function ($part) {
             return "'" . str_replace("'", "'\\''", $part) . "'";
         }, $parts);