diff --git a/plugins/plugin.php b/plugins/plugin.php
index 35d9c931..8b0a0264 100644
--- a/plugins/plugin.php
+++ b/plugins/plugin.php
@@ -8,10 +8,18 @@
 class AdminerPlugin extends Adminer {
 	var $plugins;
 	
-	/**
-	* @param array
+	/** Register plugins
+	* @param array object instances or null to register all classes starting by 'Adminer'
 	*/
 	function AdminerPlugin($plugins) {
+		if (!isset($plugins)) {
+			$plugins = array();
+			foreach (get_declared_classes() as $class) {
+				if (preg_match('~^Adminer(?!Plugin|$)~i', $class) && $class != get_class($this)) { // can use interface since PHP 5
+					$plugins[$class] = new $class;
+				}
+			}
+		}
 		$this->plugins = $plugins;
 		// it is possible to use ReflectionObject in PHP 5 to find out which plugins defines which methods at once
 	}