diff --git a/src/SharpCompress/Common/Zip/Headers/DirectoryEntryHeader.cs b/src/SharpCompress/Common/Zip/Headers/DirectoryEntryHeader.cs
index 89c4e280..3b50d118 100644
--- a/src/SharpCompress/Common/Zip/Headers/DirectoryEntryHeader.cs
+++ b/src/SharpCompress/Common/Zip/Headers/DirectoryEntryHeader.cs
@@ -70,7 +70,7 @@ namespace SharpCompress.Common.Zip.Headers
             writer.Write(LastModifiedTime);
             writer.Write(LastModifiedDate);
             writer.Write(Crc);
-			writer.Write((uint)CompressedSize);
+            writer.Write((uint)CompressedSize);
             writer.Write((uint)UncompressedSize);
 
             byte[] nameBytes = EncodeString(Name);
diff --git a/src/SharpCompress/Common/Zip/Headers/LocalEntryHeader.cs b/src/SharpCompress/Common/Zip/Headers/LocalEntryHeader.cs
index 4665ed29..2e311cc8 100644
--- a/src/SharpCompress/Common/Zip/Headers/LocalEntryHeader.cs
+++ b/src/SharpCompress/Common/Zip/Headers/LocalEntryHeader.cs
@@ -55,8 +55,8 @@ namespace SharpCompress.Common.Zip.Headers
             writer.Write(LastModifiedTime);
             writer.Write(LastModifiedDate);
             writer.Write(Crc);
-			writer.Write((uint)CompressedSize);
-			writer.Write((uint)UncompressedSize);
+            writer.Write((uint)CompressedSize);
+            writer.Write((uint)UncompressedSize);
 
             byte[] nameBytes = EncodeString(Name);