diff --git a/QueryList.php b/QueryList.php
index 0ba8309..0efe89a 100644
--- a/QueryList.php
+++ b/QueryList.php
@@ -106,7 +106,7 @@ class QueryList
      */
     public static function setLog($handler)
     {
-    	if(class_exists(Logger::class))
+    	if(class_exists('Monolog\Logger'))
     	{
     		if(is_string($handler))
     		{
diff --git a/composer.json b/composer.json
index 0ac5766..3bebd45 100644
--- a/composer.json
+++ b/composer.json
@@ -7,6 +7,9 @@
         "PHP":">=5.3.0",
         "jaeger/phpquery-single": "^0.9"
     },
+    "suggest":{
+    	"monolog/monolog":"Log support"
+    },
     "license": "MIT",
     "authors": [
         {