diff --git a/src/northbridge/intel/i945/raminit.h b/src/northbridge/intel/i945/raminit.h
index 513984f..d69110e 100644
--- a/src/northbridge/intel/i945/raminit.h
+++ b/src/northbridge/intel/i945/raminit.h
@@ -3,6 +3,8 @@
 #ifndef RAMINIT_H
 #define RAMINIT_H
 
+#include <types.h>
+
 #define DIMM_SOCKETS 2
 
 #define DIMM_TCO_BASE 0x30
@@ -24,8 +26,8 @@
 	u8 cas;			/* 3, 4 or 5 */
 	u8 refresh;		/* 0 = 15.6us, 1 = 7.8us */
 
-	u8 dual_channel;	/* 0 or 1 */
-	u8 interleaved;
+	bool dual_channel;
+	bool interleaved;
 
 	u8 mvco4x;		/* 0 (8x) or 1 (4x) */
 	u8 clkcfg_bit7;