diff --git a/board/freescale/corenet_ds/eth_hydra.c b/board/freescale/corenet_ds/eth_hydra.c
index 35825c4ae9..a934c8cf0d 100644
--- a/board/freescale/corenet_ds/eth_hydra.c
+++ b/board/freescale/corenet_ds/eth_hydra.c
@@ -62,7 +62,7 @@
 
 #ifdef CONFIG_FMAN_ENET
 
-#define BRDCFG1_EMI1_SEL_MASK	0x70
+#define BRDCFG1_EMI1_SEL_MASK	0x78
 #define BRDCFG1_EMI1_SEL_SLOT1	0x10
 #define BRDCFG1_EMI1_SEL_SLOT2	0x20
 #define BRDCFG1_EMI1_SEL_SLOT5	0x30
@@ -202,6 +202,8 @@ static void fdt_set_mdio_mux(void *fdt, const char *alias, u32 mux)
 	if (!path)
 		path = alias;
 
+	do_fixup_by_path(fdt, path, "reg",
+			 &mux, sizeof(mux), 1);
 	do_fixup_by_path(fdt, path, "fsl,hydra-mdio-muxval",
 			 &mux, sizeof(mux), 1);
 }