diff --git a/openVulkanoCpp/IO/Archive/ArchiveReader.cpp b/openVulkanoCpp/IO/Archive/ArchiveReader.cpp
index 1d028fb..6841685 100644
--- a/openVulkanoCpp/IO/Archive/ArchiveReader.cpp
+++ b/openVulkanoCpp/IO/Archive/ArchiveReader.cpp
@@ -101,7 +101,7 @@ namespace OpenVulkano
 		}
 	}
 
-	bool ArchiveReader::Open(const std::filesystem::path& dir, const std::string& fileNamePattern)
+	bool ArchiveReader::Open(const std::filesystem::path& dir, const std::string& fileNamePattern, size_t* outSize)
 	{
 		std::vector<std::string> files;
 
@@ -109,9 +109,13 @@ namespace OpenVulkano
 		for(const std::filesystem::directory_entry& dirEntry : std::filesystem::directory_iterator(dir))
 		{
 			std::string entryPath = dirEntry.path().string();
-			if (std::regex_match(entryPath, fileRegex))
+			if (!dirEntry.is_directory() && std::regex_match(entryPath, fileRegex))
 			{
 				files.push_back(std::move(entryPath));
+				if (outSize)
+				{
+					*outSize += dirEntry.file_size();
+				}
 			}
 		}
 
diff --git a/openVulkanoCpp/IO/Archive/ArchiveReader.hpp b/openVulkanoCpp/IO/Archive/ArchiveReader.hpp
index 89ce49c..776a57c 100644
--- a/openVulkanoCpp/IO/Archive/ArchiveReader.hpp
+++ b/openVulkanoCpp/IO/Archive/ArchiveReader.hpp
@@ -42,7 +42,7 @@ namespace OpenVulkano
 
 		bool Open(const std::vector<std::string>& archiveFiles);
 
-		bool Open(const std::filesystem::path& dir, const std::string& fileNamePattern);
+		bool Open(const std::filesystem::path& dir, const std::string& fileNamePattern, size_t* outSize = nullptr);
 
 		[[nodiscard]] bool IsOpen() const { return m_open; }
 
diff --git a/openVulkanoCpp/IO/Archive/ArchiveWriter.cpp b/openVulkanoCpp/IO/Archive/ArchiveWriter.cpp
index b9299d5..f32e281 100644
--- a/openVulkanoCpp/IO/Archive/ArchiveWriter.cpp
+++ b/openVulkanoCpp/IO/Archive/ArchiveWriter.cpp
@@ -36,7 +36,7 @@ namespace OpenVulkano
 	ArchiveWriter::~ArchiveWriter()
 	{
 		if (m_asBuffer) { m_asBuffer->Close(); m_asBuffer = nullptr; }
-		archive_write_close(m_archive);
+		ChkErr(archive_write_close(m_archive));
 		archive_entry_free(m_archiveEntry);
 	}