diff --git a/lib/danog/PHP/Struct.php b/lib/danog/PHP/Struct.php
index 664ae77..c298f86 100644
--- a/lib/danog/PHP/Struct.php
+++ b/lib/danog/PHP/Struct.php
@@ -23,13 +23,14 @@ class Struct
      * Istantiates the PHPStruct class in a static variable
      *
      * @param	$format	    Format string
-     *
      */
-    public static function constructor() {
+    public static function constructor()
+    {
         if (self::$struct == null) {
             self::$struct = new \danog\PHP\StructTools();
         }
     }
+
     /**
      * pack.
      *
@@ -43,6 +44,7 @@ class Struct
     public static function pack($format, ...$data)
     {
         self::constructor();
+
         return self::$struct->pack($format, ...$data);
     }
 
@@ -59,6 +61,7 @@ class Struct
     public static function unpack($format, $data)
     {
         self::constructor();
+
         return self::$struct->unpack($format, $data);
     }
 
diff --git a/lib/danog/PHP/StructTools.php b/lib/danog/PHP/StructTools.php
index 5557e68..2801c20 100644
--- a/lib/danog/PHP/StructTools.php
+++ b/lib/danog/PHP/StructTools.php
@@ -549,7 +549,7 @@ class StructTools
     }
 
     /**
-     * data2array
+     * data2array.
      *
      *  Convert a binary string to an array based on the given format string
      *
@@ -689,10 +689,12 @@ class StructTools
     {
         if (!$unsigned && $binary[0] == '1') {
             foreach (str_split($binary) as $key => $char) {
-                $binary[$key] =(int)!$char;
+                $binary[$key] = (int) !$char;
             }
-            return -(bindec($binary)+1);
+
+            return -(bindec($binary) + 1);
         }
+
         return bindec($binary);
     }