diff --git a/02_Windows_App/Perun_v1/01_Classes/DatabaseController.cs b/02_Windows_App/Perun_v1/01_Classes/DatabaseController.cs
index dc15e24..05da437 100644
--- a/02_Windows_App/Perun_v1/01_Classes/DatabaseController.cs
+++ b/02_Windows_App/Perun_v1/01_Classes/DatabaseController.cs
@@ -90,7 +90,7 @@ public class DatabaseController
       
 
             SQLQueryTxt = "INSERT INTO `pe_DataRaw` (`pe_dataraw_type`,`pe_dataraw_instance`) SELECT '" + TCPFrameType + "','" + TCPFrameInstance + "' FROM DUAL WHERE NOT EXISTS (SELECT * FROM `pe_DataRaw` WHERE `pe_dataraw_type` = '" + TCPFrameType + "' AND `pe_dataraw_instance` = " + TCPFrameInstance + ");";
-            SQLQueryTxt += "UPDATE `pe_DataRaw` SET `pe_dataraw_payload` = JSON_QUOTE(@PAR_TCPFramePayload), `pe_dataraw_updated`=" + TCPFrameTimestamp + " WHERE `pe_dataraw_type`=" + TCPFrameType + " AND `pe_dataraw_instance` = " + TCPFrameInstance + ";";
+            SQLQueryTxt += "UPDATE `pe_DataRaw` SET `pe_dataraw_payload` = @PAR_TCPFramePayload, `pe_dataraw_updated`=" + TCPFrameTimestamp + " WHERE `pe_dataraw_type`=" + TCPFrameType + " AND `pe_dataraw_instance` = " + TCPFrameInstance + ";";
         }
 
         // Connect to mysql and execute sql