diff --git a/sys/mips/atheros/if_argevar.h b/sys/mips/atheros/if_argevar.h
index 911dc45df2f..b58acb09664 100644
--- a/sys/mips/atheros/if_argevar.h
+++ b/sys/mips/atheros/if_argevar.h
@@ -93,7 +93,7 @@
 	ARGE_READ((_sc), (_reg))
 #define	ARGE_MDIO_BARRIER_READ(_sc)	ARGE_BARRIER_READ(_sc)
 #define	ARGE_MDIO_BARRIER_WRITE(_sc)	ARGE_BARRIER_WRITE(_sc)
-#define	ARGE_MDIO_BARRIER_RW(_sc)	ARGE_BARRIER_READ_RW(_sc)
+#define	ARGE_MDIO_BARRIER_RW(_sc)	ARGE_BARRIER_RW(_sc)
 
 #define ARGE_DESC_EMPTY		(1U << 31)
 #define ARGE_DESC_MORE		(1 << 24)