diff --git a/src/libs/utils/impl/Zipper.cpp b/src/libs/utils/impl/Zipper.cpp
index f81fa33d..7ea8b9c9 100644
--- a/src/libs/utils/impl/Zipper.cpp
+++ b/src/libs/utils/impl/Zipper.cpp
@@ -40,7 +40,8 @@ namespace Zip
 
 			enum GeneralPurposeFlag : std::uint16_t
 			{
-				UseDataDescriptor = 1 << 3,
+				UseDataDescriptor	= 1 << 3,
+				LanguageEncoding	= 1 << 11,
 			};
 
 			enum CompressionMethod : std::uint16_t
@@ -315,7 +316,7 @@ namespace Zip
 
 		header.setSignature();
 		header.setVersionNeededToExtract(1, 0);
-		header.setGeneralPurposeFlags(0);
+		header.setGeneralPurposeFlags(ZipHeader::GeneralPurposeFlag::LanguageEncoding);
 		header.setCrc32UncompressedData(_currentFile->second.fileCrc32);
 		switch (_compMethod)
 		{
@@ -422,7 +423,7 @@ namespace Zip
 		header.setSignature();
 		header.setVersionMadeBy(2, 0);
 		header.setVersionNeededToExtract(1, 0);
-		header.setGeneralPurposeFlags(0);
+		header.setGeneralPurposeFlags(ZipHeader::GeneralPurposeFlag::LanguageEncoding);
 		switch (_compMethod)
 		{
 			case CompressionMethod::NoCompression:
diff --git a/src/tools/zipper/LmsZipper.cpp b/src/tools/zipper/LmsZipper.cpp
index 8cdc92a4..5354fdb9 100644
--- a/src/tools/zipper/LmsZipper.cpp
+++ b/src/tools/zipper/LmsZipper.cpp
@@ -58,7 +58,7 @@ int main(int argc, char* argv[])
 
 	while (!zipper.isComplete())
 	{
-		std::array<std::byte, 65536> buffer;
+		std::array<std::byte, 1000000> buffer;
 
 		std::cout << "Call" << std::endl;
 		std::size_t nbWrittenBytes {zipper.writeSome(buffer.data(), buffer.size())};