diff --git a/fillit.h b/fillit.h
index 7cacc14..b2f33b5 100644
--- a/fillit.h
+++ b/fillit.h
@@ -1,3 +1,5 @@
+#include <stdint.h>
+
 typedef	struct		s_tetraminos
 {
 	uint16_t	line[16];