Index: ../../../wp-includes/default-constants.php
===================================================================
--- ../../../wp-includes/default-constants.php	(revision 14894)
+++ ../../../wp-includes/default-constants.php	(working copy)
@@ -82,8 +82,13 @@
	 *
	 * @since 2.6.0
	 */
-	if ( !defined('WP_PLUGIN_DIR') )
-		define( 'WP_PLUGIN_DIR', WP_CONTENT_DIR . '/plugins' ); // full path, no trailing slash
+	if ( !defined('WP_PLUGIN_DIR') ){
+		$pluginDir=WP_CONTENT_DIR . '/plugins';
+		if($linked=readlink($pluginDir)){
+		        $pluginDir = WP_CONTENT_DIR.'/'.$linked;
+		}
+		define( 'WP_PLUGIN_DIR', $pluginDir ); // full path, no trailing slash
+	}

	/**
	 * Allows for the plugins directory to be moved from the default location.