diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index cb04243f37c1..a91e22d9a6cb 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -276,7 +276,7 @@
 /* Offset 0x10: Extended Port Control Command */
 #define MV88E6393X_PORT_EPC_CMD		0x10
 #define MV88E6393X_PORT_EPC_CMD_BUSY	0x8000
-#define MV88E6393X_PORT_EPC_CMD_WRITE	0x0300
+#define MV88E6393X_PORT_EPC_CMD_WRITE	0x3000
 #define MV88E6393X_PORT_EPC_INDEX_PORT_ETYPE	0x02
 
 /* Offset 0x11: Extended Port Control Data */