diff --git a/Common/Production/ProductionUiCordonel/ProductionProcesses/RFTelegrams/Extensions.cs b/Common/Production/ProductionUiCordonel/ProductionProcesses/RFTelegrams/Extensions.cs
index 6187842b..8f62bb19 100644
--- a/Common/Production/ProductionUiCordonel/ProductionProcesses/RFTelegrams/Extensions.cs
+++ b/Common/Production/ProductionUiCordonel/ProductionProcesses/RFTelegrams/Extensions.cs
@@ -525,7 +525,7 @@
 
             if (!string.IsNullOrWhiteSpace(hexString))
             {
-                hexString = Regex.Replace(hexString, "[^a-fA-F0-9]*", string.Empty);
+                // not needed, only valid hex bytes are processed // hexString = Regex.Replace(hexString, "[^a-fA-F0-9]*", string.Empty);
 
                 var first = true;
                 var x = 0;