diff --git a/webgui/include/ajax/json.php b/webgui/include/ajax/json.php
index d123698f2dd32a5b8dc945bda381b8bed7c41fd0..6b9fbf2132039124bd476479e9e7a4a8aac72f43 100644
--- a/webgui/include/ajax/json.php
+++ b/webgui/include/ajax/json.php
@@ -102,7 +102,7 @@ class json_response {
 
 		foreach ($this->_fields as $field) {
 			# FIXME - typecast?
-			$this_results[$field['name']] = $hash[$field['name']];
+			$this->_results[$field['name']] = $hash[$field['name']];
 		}
 	}