diff --git a/drivers/net/mcffec.c b/drivers/net/mcffec.c
index 5ab4726ff..8d4e24843 100644
--- a/drivers/net/mcffec.c
+++ b/drivers/net/mcffec.c
@@ -125,11 +125,17 @@ void setFecDuplexSpeed(volatile fec_t * fecp, bd_t * bd, int dup_spd)
 	}
 
 	if ((dup_spd & 0xFFFF) == _100BASET) {
+#ifdef CONFIG_MCF5445x
+		fecp->rcr &= ~0x200;	/* disabled 10T base */
+#endif
 #ifdef MII_DEBUG
 		printf("100Mbps\n");
 #endif
 		bd->bi_ethspeed = 100;
 	} else {
+#ifdef CONFIG_MCF5445x
+		fecp->rcr |= 0x200;	/* enabled 10T base */
+#endif
 #ifdef MII_DEBUG
 		printf("10Mbps\n");
 #endif