diff --git a/include/sp/io/FileIO.h b/include/sp/io/FileIO.h
index 23a659b..2729616 100644
--- a/include/sp/io/FileIO.h
+++ b/include/sp/io/FileIO.h
@@ -10,23 +10,30 @@ struct FileTag {};
 template <>
 class IOInterface<FileTag> {
   private:
-	std::ofstream m_FileOutput;
-	std::ifstream m_FileInput;
+	std::unique_ptr<std::ifstream> m_FileInput;
+	std::unique_ptr<std::ofstream> m_FileOutput;
 
   public:
-	IOInterface(const std::string& filePath) : m_FileOutput(filePath), m_FileInput(filePath) {}
+	IOInterface(const std::string& fileInput, const std::string& fileOutput) {
+		if (!fileInput.empty())
+			m_FileInput = std::make_unique<std::ifstream>(fileInput);
+		if (!fileOutput.empty())
+			m_FileOutput = std::make_unique<std::ofstream>(fileOutput);
+	}
 	IOInterface(IOInterface&& other) : m_FileOutput(std::move(other.m_FileOutput)), m_FileInput(std::move(other.m_FileInput)) {}
 
 	DataBuffer Read(std::size_t a_Amount) {
 		DataBuffer buffer;
 		buffer.Resize(a_Amount);
-		m_FileInput.read(reinterpret_cast<char*>(buffer.data()), a_Amount);
+		assert(m_FileInput != nullptr);
+		m_FileInput->read(reinterpret_cast<char*>(buffer.data()), a_Amount);
 		return buffer;
 	}
 
 	void Write(const sp::DataBuffer& a_Data) {
-		m_FileOutput.write(reinterpret_cast<const char*>(a_Data.data()), a_Data.GetSize());
-		m_FileOutput.flush();
+		assert(m_FileOutput != nullptr);
+		m_FileOutput->write(reinterpret_cast<const char*>(a_Data.data()), a_Data.GetSize());
+		m_FileOutput->flush();
 	}
 };
 
diff --git a/test/test_file.cpp b/test/test_file.cpp
index 35d9251..727a5bd 100644
--- a/test/test_file.cpp
+++ b/test/test_file.cpp
@@ -23,7 +23,7 @@ using FileStream = sp::IOStream<sp::FileTag, sp::PacketDispatcher, sp::PacketFac
 int main() {
 	auto handler = std::make_shared<CustomPacketHandler>();
 
-	FileStream stream(sp::FileIO{"test.txt"});
+	FileStream stream(sp::FileIO{"test.txt", "text.txt"});
 	stream.GetDispatcher().RegisterHandler(PacketId::Disconnect, handler);
 	stream.GetDispatcher().RegisterHandler(PacketId::KeepAlive, handler);