diff --git a/htdocs/resource/class/dolresource.class.php b/htdocs/resource/class/dolresource.class.php
index 4cb115ef378..1b9a0290c53 100644
--- a/htdocs/resource/class/dolresource.class.php
+++ b/htdocs/resource/class/dolresource.class.php
@@ -849,7 +849,7 @@ class Dolresource extends CommonObject
 	    $sql.= ' FROM '.MAIN_DB_PREFIX.'element_resources';
 	    $sql.= " WHERE element_id=".$element_id." AND element_type='".$this->db->escape($element)."'";
 	    if($resource_type)
-	    	$sql.=" AND resource_type LIKE '%".$resource_type."%'";
+	    	$sql.=" AND resource_type LIKE '%".$this->db->escape($resource_type)."%'";
 	    $sql .= ' ORDER BY resource_type';
 
 	    dol_syslog(get_class($this)."::getElementResources", LOG_DEBUG);