diff --git a/include/Nazara/Core/File.hpp b/include/Nazara/Core/File.hpp
index c2c2a07bd..d4a7235d1 100644
--- a/include/Nazara/Core/File.hpp
+++ b/include/Nazara/Core/File.hpp
@@ -8,6 +8,7 @@
 #define NAZARA_FILE_HPP
 
 #include <Nazara/Prerequesites.hpp>
+#include <Nazara/Core/ByteArray.hpp>
 #include <Nazara/Core/Directory.hpp>
 #include <Nazara/Core/Endianness.hpp>
 #include <Nazara/Core/Hashable.hpp>
@@ -88,6 +89,7 @@ class NAZARA_API NzFile : public NzHashable, public NzInputStream, NzNonCopyable
 		bool SetFile(const NzString& filePath);
 		bool SetOpenMode(unsigned int openMode);
 
+		bool Write(const NzByteArray& byteArray);
 		bool Write(const NzString& string);
 		std::size_t Write(const void* buffer, std::size_t typeSize, unsigned int count);
 
diff --git a/src/Nazara/Core/File.cpp b/src/Nazara/Core/File.cpp
index 539fc75fd..3ee6b11d9 100644
--- a/src/Nazara/Core/File.cpp
+++ b/src/Nazara/Core/File.cpp
@@ -398,10 +398,14 @@ bool NzFile::SetOpenMode(unsigned int openMode)
 	return true;
 }
 
+bool NzFile::Write(const NzByteArray& byteArray)
+{
+	unsigned int size = byteArray.GetSize();
+	return Write(byteArray.GetConstBuffer(), 1, size) == size;
+}
+
 bool NzFile::Write(const NzString& string)
 {
-	NazaraLock(m_mutex)
-
 	NzString temp(string);
 
 	if (m_streamOptions & nzStreamOption_Text)