diff --git a/libs/assimp/code/AssetLib/MMD/MMDPmxParser.h b/libs/assimp/code/AssetLib/MMD/MMDPmxParser.h
index 696e4088..1748b48f 100644
--- a/libs/assimp/code/AssetLib/MMD/MMDPmxParser.h
+++ b/libs/assimp/code/AssetLib/MMD/MMDPmxParser.h
@@ -47,6 +47,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <fstream>
 #include <memory>
 #include "MMDCpp14.h"
+#include <stdint.h> 
 
 namespace pmx
 {