diff --git a/src/factories/AnimFactory.cpp b/src/factories/AnimFactory.cpp
index 3ba83fe..7727220 100644
--- a/src/factories/AnimFactory.cpp
+++ b/src/factories/AnimFactory.cpp
@@ -9,7 +9,7 @@
 namespace fs = std::filesystem;
 
 void WriteAnimationHeader(LUS::BinaryWriter* writer, nlohmann::json& offsets, std::vector<uint8_t>& buffer) {
-	LUS::BinaryReader reader((char*) buffer.data() + offsets[0], offsets[1]);
+	LUS::BinaryReader reader((char*) buffer.data() + (size_t)offsets[0], offsets[1]);
 	reader.SetEndianness(LUS::Endianness::Big);
 
 	auto flags = reader.ReadInt16();
@@ -33,7 +33,7 @@ void WriteAnimationHeader(LUS::BinaryWriter* writer, nlohmann::json& offsets, st
 }
 
 void WriteAnimationIndex(LUS::BinaryWriter* writer, nlohmann::json& offsets, std::vector<uint8_t>& buffer) {
-	LUS::BinaryReader reader((char*) buffer.data() + offsets[0], offsets[1]);
+	LUS::BinaryReader reader((char*) buffer.data() + (size_t)offsets[0], offsets[1]);
 	reader.SetEndianness(LUS::Endianness::Big);
 	size_t entries = ((size_t) offsets[1]);
 	WRITE_U32(entries);
@@ -44,7 +44,7 @@ void WriteAnimationIndex(LUS::BinaryWriter* writer, nlohmann::json& offsets, std
 }
 
 void WriteAnimationValues(LUS::BinaryWriter* writer, nlohmann::json& offsets, std::vector<uint8_t>& buffer) {
-	LUS::BinaryReader reader((char*) buffer.data() + offsets[0], offsets[1]);
+	LUS::BinaryReader reader((char*) buffer.data() + (size_t)offsets[0], offsets[1]);
 	reader.SetEndianness(LUS::Endianness::Big);
 	size_t entries = ((size_t) offsets[1]);
 	WRITE_U32(entries);
@@ -64,4 +64,4 @@ bool AnimFactory::process(LUS::BinaryWriter* writer, nlohmann::json& data, std::
 	WriteAnimationValues(writer, metadata["values"],  buffer);
 
 	return true;
-}
\ No newline at end of file
+}
diff --git a/src/factories/BlobFactory.cpp b/src/factories/BlobFactory.cpp
index b70c4e7..7071a45 100644
--- a/src/factories/BlobFactory.cpp
+++ b/src/factories/BlobFactory.cpp
@@ -25,9 +25,9 @@ bool BlobFactory::process(LUS::BinaryWriter* writer, nlohmann::json& data, std::
 	auto* blob = new uint8_t[size];
 	if(this->isMIOChunk){
 		auto mio0 = MIO0Decoder::Decode(buffer, offsets[0]);
-        memcpy(blob, mio0.data() + offsets[1], size);
+        memcpy(blob, mio0.data() + (size_t)offsets[1], size);
 	} else {
-    	memcpy(blob, buffer.data() + offsets[0], size);
+    	memcpy(blob, buffer.data() + (size_t)offsets[0], size);
 	}
 
 	WRITE_U32(size); // Blob Data Size
@@ -35,4 +35,4 @@ bool BlobFactory::process(LUS::BinaryWriter* writer, nlohmann::json& data, std::
 
 	delete[] blob;
 	return true;
-}
\ No newline at end of file
+}
diff --git a/src/factories/TextureFactory.cpp b/src/factories/TextureFactory.cpp
index 9fd431a..4c37fd5 100644
--- a/src/factories/TextureFactory.cpp
+++ b/src/factories/TextureFactory.cpp
@@ -64,9 +64,9 @@ bool TextureFactory::process(LUS::BinaryWriter* writer, nlohmann::json& data, st
 
     if(offsets.size() > 1){
         auto mio0 = MIO0Decoder::Decode(buffer, offsets[0]);
-        memcpy(texture, mio0.data() + offsets[1], size);
+        memcpy(texture, mio0.data() + (size_t)offsets[1], size);
     } else {
-        memcpy(texture, buffer.data() + offsets[0], size);
+        memcpy(texture, buffer.data() + (size_t)offsets[0], size);
     }
 
 	WRITE_U32(size); // Texture Data Size
@@ -74,4 +74,4 @@ bool TextureFactory::process(LUS::BinaryWriter* writer, nlohmann::json& data, st
 
 	delete[] texture;
 	return true;
-}
\ No newline at end of file
+}
diff --git a/src/utils/MIODecoder.cpp b/src/utils/MIODecoder.cpp
index 14f8eff..0a1698e 100644
--- a/src/utils/MIODecoder.cpp
+++ b/src/utils/MIODecoder.cpp
@@ -4,6 +4,7 @@ extern "C" {
 #include <libmio0/mio0.h>
 }
 #include <stdexcept>
+#include <cstdint>
 
 std::unordered_map<uint32_t, std::vector<char>> MIO0Decoder::gCachedChunks;
 
@@ -25,4 +26,4 @@ std::vector<char>& MIO0Decoder::Decode(std::vector<uint8_t>& buffer, uint32_t of
 
 void MIO0Decoder::ClearCache() {
     gCachedChunks.clear();
-}
\ No newline at end of file
+}
diff --git a/src/utils/MIODecoder.h b/src/utils/MIODecoder.h
index 3e92cc0..0d60ef9 100644
--- a/src/utils/MIODecoder.h
+++ b/src/utils/MIODecoder.h
@@ -2,10 +2,11 @@
 
 #include <vector>
 #include <unordered_map>
+#include <cstdint>
 
 class MIO0Decoder {
 public:
     static std::unordered_map<uint32_t, std::vector<char>> gCachedChunks;
     static std::vector<char>& Decode(std::vector<uint8_t>& buffer, uint32_t offset);
     static void ClearCache();
-};
\ No newline at end of file
+};