diff --git a/src/Dn.php b/src/Dn.php
index 34f01609b..e4c411d6b 100644
--- a/src/Dn.php
+++ b/src/Dn.php
@@ -77,7 +77,7 @@ public static function fromString($dn, $caseFold = null)
         } else {
             $dnArray = static::explodeDn((string) $dn);
         }
-        return new self($dnArray, $caseFold);
+        return new static($dnArray, $caseFold);
     }
 
     /**
@@ -90,7 +90,7 @@ public static function fromString($dn, $caseFold = null)
      */
     public static function fromArray(array $dn, $caseFold = null)
     {
-        return new self($dn, $caseFold);
+        return new static($dn, $caseFold);
     }
 
     /**
@@ -145,7 +145,7 @@ public function getParentDn($levelUp = 1)
             throw new Exception\LdapException(null, 'Cannot retrieve parent DN with given $levelUp');
         }
         $newDn = array_slice($this->dn, $levelUp);
-        return new self($newDn, $this->caseFold);
+        return new static($newDn, $this->caseFold);
     }
 
     /**
diff --git a/src/Filter.php b/src/Filter.php
index ecc3af798..09712afdf 100644
--- a/src/Filter.php
+++ b/src/Filter.php
@@ -36,7 +36,7 @@ class Filter extends Filter\StringFilter
      */
     public static function equals($attr, $value)
     {
-        return new self($attr, $value, self::TYPE_EQUALS, null, null);
+        return new static($attr, $value, self::TYPE_EQUALS, null, null);
     }
 
     /**
@@ -49,7 +49,7 @@ public static function equals($attr, $value)
      */
     public static function begins($attr, $value)
     {
-        return new self($attr, $value, self::TYPE_EQUALS, null, '*');
+        return new static($attr, $value, self::TYPE_EQUALS, null, '*');
     }
 
     /**
@@ -62,7 +62,7 @@ public static function begins($attr, $value)
      */
     public static function ends($attr, $value)
     {
-        return new self($attr, $value, self::TYPE_EQUALS, '*', null);
+        return new static($attr, $value, self::TYPE_EQUALS, '*', null);
     }
 
     /**
@@ -75,7 +75,7 @@ public static function ends($attr, $value)
      */
     public static function contains($attr, $value)
     {
-        return new self($attr, $value, self::TYPE_EQUALS, '*', '*');
+        return new static($attr, $value, self::TYPE_EQUALS, '*', '*');
     }
 
     /**
@@ -88,7 +88,7 @@ public static function contains($attr, $value)
      */
     public static function greater($attr, $value)
     {
-        return new self($attr, $value, self::TYPE_GREATER, null, null);
+        return new static($attr, $value, self::TYPE_GREATER, null, null);
     }
 
     /**
@@ -101,7 +101,7 @@ public static function greater($attr, $value)
      */
     public static function greaterOrEqual($attr, $value)
     {
-        return new self($attr, $value, self::TYPE_GREATEROREQUAL, null, null);
+        return new static($attr, $value, self::TYPE_GREATEROREQUAL, null, null);
     }
 
     /**
@@ -114,7 +114,7 @@ public static function greaterOrEqual($attr, $value)
      */
     public static function less($attr, $value)
     {
-        return new self($attr, $value, self::TYPE_LESS, null, null);
+        return new static($attr, $value, self::TYPE_LESS, null, null);
     }
 
     /**
@@ -127,7 +127,7 @@ public static function less($attr, $value)
      */
     public static function lessOrEqual($attr, $value)
     {
-        return new self($attr, $value, self::TYPE_LESSOREQUAL, null, null);
+        return new static($attr, $value, self::TYPE_LESSOREQUAL, null, null);
     }
 
     /**
@@ -140,7 +140,7 @@ public static function lessOrEqual($attr, $value)
      */
     public static function approx($attr, $value)
     {
-        return new self($attr, $value, self::TYPE_APPROX, null, null);
+        return new static($attr, $value, self::TYPE_APPROX, null, null);
     }
 
     /**
@@ -152,7 +152,7 @@ public static function approx($attr, $value)
      */
     public static function any($attr)
     {
-        return new self($attr, '', self::TYPE_EQUALS, '*', null);
+        return new static($attr, '', self::TYPE_EQUALS, '*', null);
     }
 
     /**
diff --git a/src/Ldif/Encoder.php b/src/Ldif/Encoder.php
index a0d0593a6..57f9838ca 100644
--- a/src/Ldif/Encoder.php
+++ b/src/Ldif/Encoder.php
@@ -55,7 +55,7 @@ protected function __construct(array $options = array())
      */
     public static function decode($string)
     {
-        $encoder = new self(array());
+        $encoder = new static(array());
         return $encoder->_decode($string);
     }
 
@@ -136,7 +136,7 @@ protected function pushAttribute(array $attribute, array &$entry)
      */
     public static function encode($value, array $options = array())
     {
-        $encoder = new self($options);
+        $encoder = new static($options);
 
         return $encoder->_encode($value);
     }
diff --git a/src/Node.php b/src/Node.php
index 95f128936..9803e0a60 100644
--- a/src/Node.php
+++ b/src/Node.php
@@ -245,7 +245,7 @@ public static function create($dn, array $objectClass = array())
         } else {
             throw new Exception\LdapException(null, '$dn is of a wrong data type.');
         }
-        $new = new self($dn, array(), false, null);
+        $new = new static($dn, array(), false, null);
         $new->ensureRdnAttributeValues();
         $new->setAttribute('objectClass', $objectClass);
 
@@ -273,7 +273,7 @@ public static function fromLdap($dn, Ldap $ldap)
         if ($data === null) {
             return null;
         }
-        $entry = new self($dn, $data, true, $ldap);
+        $entry = new static($dn, $data, true, $ldap);
 
         return $entry;
     }
@@ -299,7 +299,7 @@ public static function fromArray(array $data, $fromDataSource = false)
             throw new Exception\LdapException(null, '\'dn\' key is of a wrong data type.');
         }
         $fromDataSource = ($fromDataSource === true) ? true : false;
-        $new            = new self($dn, $data, $fromDataSource, null);
+        $new            = new static($dn, $data, $fromDataSource, null);
         $new->ensureRdnAttributeValues();
 
         return $new;
diff --git a/src/Node/RootDse.php b/src/Node/RootDse.php
index df8f96c54..828d4a997 100644
--- a/src/Node/RootDse.php
+++ b/src/Node/RootDse.php
@@ -46,7 +46,7 @@ public static function create(Ldap\Ldap $ldap)
             return new RootDse\OpenLdap($dn, $data);
         }
 
-        return new self($dn, $data);
+        return new static($dn, $data);
     }
 
     /**
diff --git a/src/Node/Schema.php b/src/Node/Schema.php
index 203037ed9..c28a5cf98 100644
--- a/src/Node/Schema.php
+++ b/src/Node/Schema.php
@@ -43,7 +43,7 @@ public static function create(Ldap\Ldap $ldap)
                 return new Schema\OpenLdap($dn, $data, $ldap);
             case RootDse::SERVER_TYPE_EDIRECTORY:
             default:
-                return new self($dn, $data, $ldap);
+                return new static($dn, $data, $ldap);
         }
     }