@@ -185,7 +185,7 @@ void IFCImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSy
size_t total = 0;
int read = 0;
do {
- int bufferSize = fileInfo.uncompressed_size < INT16_MAX ? fileInfo.uncompressed_size : INT16_MAX;
+ unsigned bufferSize = fileInfo.uncompressed_size < INT16_MAX ? static_cast<unsigned>(fileInfo.uncompressed_size) : INT16_MAX;
void *buffer = malloc(bufferSize);
read = unzReadCurrentFile(zip, buffer, bufferSize);
if (read > 0) {