diff --git a/src/northbridge/intel/ironlake/raminit.c b/src/northbridge/intel/ironlake/raminit.c
index c3d1b0d..407be55 100644
--- a/src/northbridge/intel/ironlake/raminit.c
+++ b/src/northbridge/intel/ironlake/raminit.c
@@ -3770,8 +3770,7 @@
 					continue;
 				for (addr = 0;
 				     addr <
-				     sizeof(useful_addresses) /
-				     sizeof(useful_addresses[0]); addr++)
+				     ARRAY_SIZE(useful_addresses); addr++)
 					gav(info.
 					    spd[channel][0][useful_addresses
 							    [addr]] =