diff --git a/e107_plugins/pm/pm_shortcodes.php b/e107_plugins/pm/pm_shortcodes.php
index d2f2fc912..c31fe8fbe 100644
--- a/e107_plugins/pm/pm_shortcodes.php
+++ b/e107_plugins/pm/pm_shortcodes.php
@@ -575,7 +575,7 @@ if(!class_exists('plugin_pm_pm_shortcodes'))
 			}
 
 
-			if($parm != '')
+			if(!empty($parm))
 			{
 				$extra = '.'.$parm;
 			}