diff --git a/webapp/models/DynData.php b/webapp/models/DynData.php
index 1a8df110..4ffbf986 100644
--- a/webapp/models/DynData.php
+++ b/webapp/models/DynData.php
@@ -283,7 +283,7 @@ class DynData extends BaseModel {
     }
 
     private static $lastAccountId = '';
-    private static $dynData = nulla;
+    private static $dynData = null;
     private static $hitCount = 0;
 
 }