diff --git a/drivers/net/dsa/microchip/ksz8.c b/drivers/net/dsa/microchip/ksz8.c
index c099a7005808..5e5bfc5cae2d 100644
--- a/drivers/net/dsa/microchip/ksz8.c
+++ b/drivers/net/dsa/microchip/ksz8.c
@@ -2831,6 +2831,9 @@ static u32 ksz8_get_port_addr(int port, int offset)
 
 static u32 ksz8463_get_port_addr(int port, int offset)
 {
+	if (offset >= KSZ8463_PTP_CLK_CTRL)
+		return offset + 0x20 * port;
+
 	return offset + 0x18 * port;
 }