diff --git a/htdocs/core/class/conf.class.php b/htdocs/core/class/conf.class.php
index 500d215ef44..685dfa93b9a 100644
--- a/htdocs/core/class/conf.class.php
+++ b/htdocs/core/class/conf.class.php
@@ -454,7 +454,7 @@ class Conf
         		throw new Exception('Log handler does not extend LogHandlerInterface');
         	}
 
-        	$this->loghandlers[$handler]=$loghandlerinstance;
+        	if (empty($conf->loghandlers[$handler])) $this->loghandlers[$handler]=$loghandlerinstance;
         }
 	}
 }