diff --git a/composer.json b/composer.json
index 333c4f8..b6c0d18 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "laravel/framework": "5.1.*",
         "nodes/core": "^0.1"
     },
     "autoload": {
diff --git a/src/Exceptions/CounterCacheException.php b/src/Exceptions/CounterCacheException.php
index 91d85fa..003b965 100644
--- a/src/Exceptions/CounterCacheException.php
+++ b/src/Exceptions/CounterCacheException.php
@@ -16,14 +16,14 @@ class CounterCacheException extends NodesException
      * @author Morten Rugaard <moru@nodes.dk>
      *
      * @access public
-     * @param  string      $message
-     * @param  integer     $statusCode
-     * @param  string|null $statusMessage
-     * @param  array       $headers
-     * @param  boolean     $report
+     * @param  string   $message
+     * @param  integer  $code
+     * @param  array    $headers
+     * @param  boolean  $report
+     * @param  string   $severity
      */
-    public function __construct($message = 'Counter cache failed', $statusCode = 500, $statusMessage = 'Counter cache failed', array $headers = [], $report = true)
+    public function __construct($message = 'Counter cache failed', $code = 500, array $headers = [], $report = true, $severity = 'error')
     {
-        parent::__construct($message, $statusCode, $statusMessage, $headers, $report);
+        parent::__construct($message, $code, $headers, $report, $severity);
     }
 }
\ No newline at end of file
diff --git a/src/Exceptions/NoCounterCachesFoundException.php b/src/Exceptions/NoCounterCachesFoundException.php
index ea2d728..00fd608 100644
--- a/src/Exceptions/NoCounterCachesFoundException.php
+++ b/src/Exceptions/NoCounterCachesFoundException.php
@@ -14,14 +14,14 @@ class NoCounterCachesFound extends CounterCacheException
      * @author Morten Rugaard <moru@nodes.dk>
      *
      * @access public
-     * @param  string      $message
-     * @param  integer     $statusCode
-     * @param  string|null $statusMessage
-     * @param  array       $headers
-     * @param  boolean     $report
+     * @param  string    $message
+     * @param  integer   $code
+     * @param  array     $headers
+     * @param  boolean   $report
+     * @param  string    $severity
      */
-    public function __construct($message = 'No counter caches found on model', $statusCode = 500, $statusMessage = 'Counter cache failed', array $headers = [], $report = true)
+    public function __construct($message = 'No counter caches found on model', $code = 500, array $headers = [], $report = true, $severity = 'error')
     {
-        parent::__construct($message, $statusCode, $statusMessage, $headers, $report);
+        parent::__construct($message, $code, $headers, $report, $severity);
     }
 }
\ No newline at end of file
diff --git a/src/Exceptions/NoEntitiesFoundException.php b/src/Exceptions/NoEntitiesFoundException.php
index f59638f..4f1bb04 100644
--- a/src/Exceptions/NoEntitiesFoundException.php
+++ b/src/Exceptions/NoEntitiesFoundException.php
@@ -14,14 +14,14 @@ class NoEntitiesFoundException extends CounterCacheException
      * @author Morten Rugaard <moru@nodes.dk>
      *
      * @access public
-     * @param  string      $message
-     * @param  integer     $statusCode
-     * @param  string|null $statusMessage
-     * @param  array       $headers
-     * @param  boolean     $report
+     * @param  string   $message
+     * @param  integer  $code
+     * @param  array    $headers
+     * @param  boolean  $report
+     * @param  string   $severity
      */
-    public function __construct($message = 'No entities found', $statusCode = 500, $statusMessage = 'Counter cache failed', array $headers = [], $report = true)
+    public function __construct($message = 'No entities found', $code = 500, array $headers = [], $report = true, $severity = 'error')
     {
-        parent::__construct($message, $statusCode, $statusMessage, $headers, $report);
+        parent::__construct($message, $code, $headers, $report, $severity);
     }
 }
\ No newline at end of file
diff --git a/src/Exceptions/NotCounterCacheableException.php b/src/Exceptions/NotCounterCacheableException.php
index 9709c7b..6762e22 100644
--- a/src/Exceptions/NotCounterCacheableException.php
+++ b/src/Exceptions/NotCounterCacheableException.php
@@ -14,14 +14,14 @@ class NotCounterCacheableException extends CounterCacheException
      * @author Morten Rugaard <moru@nodes.dk>
      *
      * @access public
-     * @param  string      $message
-     * @param  integer     $statusCode
-     * @param  string|null $statusMessage
-     * @param  array       $headers
-     * @param  boolean     $report
+     * @param  string   $message
+     * @param  integer  $code
+     * @param  array    $headers
+     * @param  boolean  $report
+     * @param  string   $severity
      */
-    public function __construct($message = 'Model does not implement CounterCacheable', $statusCode = 500, $statusMessage = 'Counter cache failed', array $headers = [], $report = true)
+    public function __construct($message = 'Model does not implement CounterCacheable', $code = 500, array $headers = [], $report = true, $severity = 'error')
     {
-        parent::__construct($message, $statusCode, $statusMessage, $headers, $report);
+        parent::__construct($message, $code, $headers, $report, $severity);
     }
 }
\ No newline at end of file
diff --git a/src/Exceptions/RelationNotFoundException.php b/src/Exceptions/RelationNotFoundException.php
index c34f849..5d937f4 100644
--- a/src/Exceptions/RelationNotFoundException.php
+++ b/src/Exceptions/RelationNotFoundException.php
@@ -14,14 +14,14 @@ class RelationNotFoundException extends CounterCacheException
      * @author Morten Rugaard <moru@nodes.dk>
      *
      * @access public
-     * @param  string      $message
-     * @param  integer     $statusCode
-     * @param  string|null $statusMessage
-     * @param  array       $headers
-     * @param  boolean     $report
+     * @param  string   $message
+     * @param  integer  $code
+     * @param  array    $headers
+     * @param  boolean  $report
+     * @param  string   $severity
      */
-    public function __construct($message = 'Relation not found on model', $statusCode = 500, $statusMessage = 'Counter cache failed', array $headers = [], $report = true)
+    public function __construct($message = 'Relation not found on model', $code = 500, array $headers = [], $report = true, $severity = 'error')
     {
-        parent::__construct($message, $statusCode, $statusMessage, $headers, $report);
+        parent::__construct($message, $code, $headers, $report, $severity);
     }
 }
\ No newline at end of file
diff --git a/src/Traits/CounterCacheRestored.php b/src/Traits/CounterCacheRestored.php
index 6b13b42..f82f2d7 100644
--- a/src/Traits/CounterCacheRestored.php
+++ b/src/Traits/CounterCacheRestored.php
@@ -19,8 +19,10 @@ trait CounterCacheRestored
      */
     public static function bootCounterCacheRestored()
     {
-        static::restored(function($model) {
-            app('Nodes\CounterCache\CounterCache')->count($model);
-        });
+        if (method_exists(__CLASS__, 'restored')) {
+            static::restored(function ($model) {
+                app('Nodes\CounterCache\CounterCache')->count($model);
+            });
+        }
     }
 }
\ No newline at end of file