diff --git a/openVulkanoCpp/AR/Provider/Playback/ArPlaybackReader.hpp b/openVulkanoCpp/AR/Provider/Playback/ArPlaybackReader.hpp
index b2ecab3..2fd0ee6 100644
--- a/openVulkanoCpp/AR/Provider/Playback/ArPlaybackReader.hpp
+++ b/openVulkanoCpp/AR/Provider/Playback/ArPlaybackReader.hpp
@@ -84,7 +84,12 @@ namespace OpenVulkano::AR::Playback
 		{
 			DepthImage img;
 			m_archiveDepth.GetNextFileAsStream([&img](const FileDescription& desc, std::istream& stream) { img.depth.Read(stream); });
-			m_archiveConfidence.GetNextFileAsStream([&img](const FileDescription&, std::istream& stream) { img.confidence.Read(stream); });
+			if (!m_archiveConfidence.GetNextFileAsStream([&img](const FileDescription&, std::istream& stream) { img.confidence.Read(stream); }))
+			{ // No confidence image available
+				img.confidence.header.width = img.confidence.header.height = 1;
+				img.confidence.image = std::make_unique<char[]>(m_imgTotalSize);
+				img.confidence.image[0] = 2; // TODO
+			}
 			
 			return img;
 		}
diff --git a/openVulkanoCpp/IO/Archive/ArchiveReader.cpp b/openVulkanoCpp/IO/Archive/ArchiveReader.cpp
index a6c12c1..5c3a547 100644
--- a/openVulkanoCpp/IO/Archive/ArchiveReader.cpp
+++ b/openVulkanoCpp/IO/Archive/ArchiveReader.cpp
@@ -225,7 +225,7 @@ namespace OpenVulkano
 		return count;
 	}
 	
-	size_t ArchiveReader::ExtractRemaining(const std::filesystem::path& targetDir, const std::function<void(const FileDescription&)> extractionCallback)
+	size_t ArchiveReader::ExtractRemaining(const std::filesystem::path& targetDir, const std::function<void(const FileDescription&)>& extractionCallback)
 	{
 		size_t count = 0;
 		std::optional<FileDescription> fd;
diff --git a/openVulkanoCpp/IO/Archive/ArchiveReader.hpp b/openVulkanoCpp/IO/Archive/ArchiveReader.hpp
index 3175006..d23ddd7 100644
--- a/openVulkanoCpp/IO/Archive/ArchiveReader.hpp
+++ b/openVulkanoCpp/IO/Archive/ArchiveReader.hpp
@@ -58,7 +58,7 @@ namespace OpenVulkano
 		
 		size_t ExtractRemaining(const std::filesystem::path& targetDir);
 		
-		size_t ExtractRemaining(const std::filesystem::path& targetDir, const std::function<void(const FileDescription&)> extractionCallback);
+		size_t ExtractRemaining(const std::filesystem::path& targetDir, const std::function<void(const FileDescription&)>& extractionCallback);
 
 		// Element wise operations
 		[[nodiscard]] bool HasNext() const;