diff --git a/ChangeLog b/ChangeLog
index 2610eca9ff..18b0091e84 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -21,6 +21,7 @@ phpMyAdmin - ChangeLog
 4.2.5.0 (not yet released)
 - bug #4467 shell_exec() has been disabled for security reasons
 - bug #4470 Error while submitting empty query
+- bug #4463 Fatal error: Class 'PMA_DatabaseInterface' not found
 
 4.2.4.0 (2014-06-20)
 - bug #4449 Mediawiki export does not produce table header row; also fix related PHP warnings
diff --git a/libraries/config/Validator.class.php b/libraries/config/Validator.class.php
index bf0db13401..d00c9f7ade 100644
--- a/libraries/config/Validator.class.php
+++ b/libraries/config/Validator.class.php
@@ -6,6 +6,11 @@
  * @package PhpMyAdmin
  */
 
+/**
+ * Core libraries.
+ */
+require_once './libraries/DatabaseInterface.class.php';
+
 /**
  * Validation class for various validation functions
  *