diff --git a/src/lib/vertex.h b/src/lib/vertex.h
index dea3792f..db66c6e3 100644
--- a/src/lib/vertex.h
+++ b/src/lib/vertex.h
@@ -1,4 +1,5 @@
 #include <stdlib.h>
+#include <stdint.h>
 
 #pragma once