diff --git a/include/ddr_spd.h b/include/ddr_spd.h
index fe163da..c4d199f 100644
--- a/include/ddr_spd.h
+++ b/include/ddr_spd.h
@@ -6,6 +6,8 @@
 #ifndef _DDR_SPD_H_
 #define _DDR_SPD_H_
 
+#include <linux/types.h>
+
 /*
  * Format from "JEDEC Standard No. 21-C,
  * Appendix D: Rev 1.0: SPD's for DDR SDRAM