diff --git a/board/lwmon/lwmon.c b/board/lwmon/lwmon.c
index b869bf3..869cd58 100644
--- a/board/lwmon/lwmon.c
+++ b/board/lwmon/lwmon.c
@@ -246,7 +246,7 @@
 	udelay (1);				/* 0x80006106 */
 	memctl->memc_mcr = MCR_OP_RUN | MCR_MB_CS3 | MCR_MLCF (1) | MCR_MAD (0x06);
 
-	memctl->memc_mamr |= MAMR_PTBE;	/* refresh enabled */
+	memctl->memc_mamr |= MAMR_PTAE;	/* refresh enabled */
 
 	udelay (200);
 
@@ -276,11 +276,11 @@
 
 	if (size8 < size9) {		/* leave configuration at 9 columns */
 		size_b0 = size9;
-		memctl->memc_mamr = CFG_MAMR_9COL | MAMR_PTBE;
+		memctl->memc_mamr = CFG_MAMR_9COL | MAMR_PTAE;
 		udelay (500);
 	} else {			/* back to 8 columns            */
 		size_b0 = size8;
-		memctl->memc_mamr = CFG_MAMR_8COL | MAMR_PTBE;
+		memctl->memc_mamr = CFG_MAMR_8COL | MAMR_PTAE;
 		udelay (500);
 	}