diff --git a/drivers/net/rckemac.c b/drivers/net/rckemac.c
index 319ac04b..8e996dc6 100644
--- a/drivers/net/rckemac.c
+++ b/drivers/net/rckemac.c
@@ -560,7 +560,7 @@ err_t rckemacif_init(struct netif* netif)
 		LWIP_DEBUGF(NETIF_DEBUG, ("Setting IP configuration of EMAC%d\n", num_emac));
 
 		/* Read the current config value from the register */
-		receiver1_addr = read_emac(num_emac, EMAC_IPCONF+RECEIVER1_ADDRESS, core);
+		receiver1_addr = read_emac(num_emac, EMAC_IPCONF+RECEIVER1_ADDRESS, 0);
 
 		/* Now set the relevant bits and write back into the register:
 		 *  25 = 1, 26 = 0, 28 = 1, 31 = 0