diff --git a/htdocs/ticket/class/ticketstats.class.php b/htdocs/ticket/class/ticketstats.class.php
index 95f807f0ebfef..8ac77532d9642 100644
--- a/htdocs/ticket/class/ticketstats.class.php
+++ b/htdocs/ticket/class/ticketstats.class.php
@@ -91,7 +91,7 @@ public function getNbByYear()
 	/**
 	 *  Return the number of tickets per month for a given year
 	 *
-	 *  @param  string 	$year 		Year to scan
+	 *  @param  int 	$year 		Year to scan
 	 *	@param	int		$format		0=Label of abscissa is a translated text, 1=Label of abscissa is month number, 2=Label of abscissa is first letter of month
 	 *  @return array            	Array of values
 	 */