diff --git a/imageAnnotations.php b/imageAnnotations.php
index e9b5c11..821d1df 100644
--- a/imageAnnotations.php
+++ b/imageAnnotations.php
@@ -21,8 +21,9 @@ class imageAnnotations extends objectStructs
         parent::__construct($Result);
 
         $this->Log(__FUNCTION__ . " Load imageAnnotations with".print_r($Result,true));
-        if (!is_array($this->roles))
-            $this->roles = explode(',',$this->roles);
+        if (is_string($Result->roles))
+            $this->roles = explode(',',$Result->roles);
+
 
     }