diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaT1R1Processor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaT1R1Processor.cs
index 4c5e08d..e83bbfe 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaT1R1Processor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaT1R1Processor.cs
@@ -425,7 +425,7 @@ public class MorskaT1R1Processor : MorskaBaseProcessor
             foreach (string code in codesRow)
             {
                 var record = processedLayer.Records?.SingleOrDefault(x => x.Code == $"{code}{month:D2}");
-                monthValues.Add(record?.Value1?.ToString() ?? "0");
+                monthValues.Add(record?.Value1?.ToString(CultureInfo.GetCultureInfo("pl-PL")) ?? "0");
             }
             valueRange.Values.Add(monthValues);
         }
@@ -457,7 +457,7 @@ public class MorskaT1R1Processor : MorskaBaseProcessor
         foreach (string code in codesRow)
         {
             var record = processedLayer.Records?.SingleOrDefault(x => x.Code == $"{code}13");
-            summaryValues.Add(record?.Value1?.ToString() ?? "0");
+            summaryValues.Add(record?.Value1?.ToString(CultureInfo.GetCultureInfo("pl-PL")) ?? "0");
         }
         valueRange.Values.Add(summaryValues);
 
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaT4R2Processor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaT4R2Processor.cs
index 81d49b1..d16d107 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaT4R2Processor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/MorskaT4R2Processor.cs
@@ -332,8 +332,8 @@ public class MorskaT4R2Processor : MorskaBaseProcessor
     {
         var dataSourceSum = _db.Layers
             .Where(x => x.Type == LayerType.Processed &&
-                       !x.IsDeleted && !x.IsCancelled &&
-                       x.Name != null && x.Name.Contains($"{Year}/13-{source.Desc1}-T"))
+                    !x.IsDeleted && !x.IsCancelled &&
+                    x.Name != null && x.Name.Contains($"{Year}/13-{source.Desc1}-T"))
             .Include(x => x.Records)
             .AsNoTracking()
             .FirstOrDefault();
@@ -470,7 +470,7 @@ public class MorskaT4R2Processor : MorskaBaseProcessor
             foreach (string code in codesRow)
             {
                 var record = processedLayer.Records?.SingleOrDefault(x => x.Code == $"{code}{monthStr}");
-                values.Add(record?.Value1?.ToString() ?? "0");
+                values.Add(record?.Value1?.ToString(CultureInfo.GetCultureInfo("pl-PL")) ?? "0");
             }
 
             var valueRange = new ValueRange
@@ -498,7 +498,7 @@ public class MorskaT4R2Processor : MorskaBaseProcessor
         {
             var record = processedLayer.Records?.SingleOrDefault(x => x.Code == $"{code}13");
             emptyRow.Add("");
-            valuesSum.Add(record?.Value1?.ToString() ?? "0");
+            valuesSum.Add(record?.Value1?.ToString(CultureInfo.GetCultureInfo("pl-PL")) ?? "0");
         }
 
         // Insert empty row before sum