diff --git a/ts/smartdata.classes.doc.ts b/ts/smartdata.classes.doc.ts
index 1c754dd..27dc3aa 100644
--- a/ts/smartdata.classes.doc.ts
+++ b/ts/smartdata.classes.doc.ts
@@ -47,7 +47,7 @@ export class SmartDataDbDoc<T extends TImplements, TImplements, TManager extends
    */
   public static collection: SmartdataCollection<any>;
   public collection: SmartdataCollection<any>;
-  public static manager: TManager;
+  public static manager;;
   public manager: TManager;
 
   /**