diff --git a/board/esd/wuh405/flash.c b/board/esd/wuh405/flash.c
index 274ada9..a53122b 100644
--- a/board/esd/wuh405/flash.c
+++ b/board/esd/wuh405/flash.c
@@ -65,9 +65,9 @@
 	flash_get_offsets (-size_b0, &flash_info[0]);
 
 	/* Re-do sizing to get full correct info */
-	mtdcr(ebccfga, pb0cr);
-	pbcr = mfdcr(ebccfgd);
-	mtdcr(ebccfga, pb0cr);
+	mtdcr(EBC0_CFGADDR, PB0CR);
+	pbcr = mfdcr(EBC0_CFGDATA);
+	mtdcr(EBC0_CFGADDR, PB0CR);
 	base_b0 = -size_b0;
 	switch (size_b0) {
 	case 1 << 20:
@@ -87,7 +87,7 @@
 		break;
 	}
 	pbcr = (pbcr & 0x0001ffff) | base_b0 | (size_val << 17);
-	mtdcr(ebccfgd, pbcr);
+	mtdcr(EBC0_CFGDATA, pbcr);
 
 	/* Monitor protection ON by default */
 	(void)flash_protect(FLAG_PROTECT_SET,
diff --git a/board/esd/wuh405/wuh405.c b/board/esd/wuh405/wuh405.c
index e330fff..e86f1d0 100644
--- a/board/esd/wuh405/wuh405.c
+++ b/board/esd/wuh405/wuh405.c
@@ -75,7 +75,7 @@
 	/*
 	 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
 	 */
-	mtebc (epcr, 0xa8400000); /* ebc always driven */
+	mtebc (EBC0_CFG, 0xa8400000); /* ebc always driven */
 
 	return 0;
 }