diff --git a/src/Companion.cpp b/src/Companion.cpp
index 761f2eb..5780d29 100644
--- a/src/Companion.cpp
+++ b/src/Companion.cpp
@@ -329,7 +329,7 @@ void Companion::Process() {
             std::ofstream file(output, std::ios::binary);
 
             if(gExporterType == ExportType::Header) {
-                std::string symbol = entry.path().stem();
+                std::string symbol = entry.path().stem().string();
                 std::transform(symbol.begin(), symbol.end(), symbol.begin(), toupper);
                 file << "#ifndef " << symbol << "_H" << std::endl;
                 file << "#define " << symbol << "_H" << std::endl << std::endl;
diff --git a/src/factories/BaseFactory.h b/src/factories/BaseFactory.h
index 365816b..706116d 100644
--- a/src/factories/BaseFactory.h
+++ b/src/factories/BaseFactory.h
@@ -7,6 +7,7 @@
 #include <memory>
 #include <vector>
 #include <string>
+#include <optional>
 #include <yaml-cpp/yaml.h>
 #include <strhash64/StrHash64.h>
 #include <binarytools/BinaryWriter.h>
diff --git a/src/factories/LightsFactory.cpp b/src/factories/LightsFactory.cpp
index a0cf692..ec44fcf 100644
--- a/src/factories/LightsFactory.cpp
+++ b/src/factories/LightsFactory.cpp
@@ -68,9 +68,9 @@ std::optional<std::shared_ptr<IParsedData>> LightsFactory::parse(std::vector<uin
     // Directional light
 
     // Ambient
-    auto r = reader.ReadInt8();
-    auto g = reader.ReadInt8();
-    auto b = reader.ReadInt8();
+    auto r = (uint8_t)reader.ReadInt8();
+    auto g = (uint8_t)reader.ReadInt8();
+    auto b = (uint8_t)reader.ReadInt8();
     //auto nil = reader.ReadInt32();
     reader.Seek(5, LUS::SeekOffsetType::Current);