diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaD6Processor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaD6Processor.cs
index 56e4921..02aff0c 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaD6Processor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaD6Processor.cs
@@ -544,7 +544,7 @@ public class MorskaD6Processor : MorskaBaseProcessor
             }
 
             // Get codes from sheet header (row 4, columns C to AA)
-            var codesResponse = _googleSheetValues.Get(sheetId, $"{googleSheetName}!C4:AB4").Execute();
+            var codesResponse = _googleSheetValues.Get(sheetId, $"{googleSheetName}!C4:AD4").Execute();
             var codesRow = codesResponse.Values[0];
 
             // Update data based on 6-digit codes from processedLayer