diff --git a/components/sqldbrest/demo/jsonclient/frmmain.pp b/components/sqldbrest/demo/jsonclient/frmmain.pp
index 3d59017934..144be7841f 100644
--- a/components/sqldbrest/demo/jsonclient/frmmain.pp
+++ b/components/sqldbrest/demo/jsonclient/frmmain.pp
@@ -139,6 +139,7 @@ begin
     S.Position:=0;
     SERawData.Lines.LoadFromStream(S);
     S.Position:=0;
+    JSResource.Close;
     JSResource.LoadFromStream(S);
     JSResource.Open;
   finally