diff --git a/drivers/net/fm/t1040.c b/drivers/net/fm/t1040.c
index d2a097e..0458366 100644
--- a/drivers/net/fm/t1040.c
+++ b/drivers/net/fm/t1040.c
@@ -50,7 +50,8 @@
 	switch (port) {
 	case FM1_DTSEC1:
 	case FM1_DTSEC2:
-		if (is_serdes_configured(QSGMII_SW1_A + port - FM1_DTSEC1))
+		if (is_serdes_configured(QSGMII_SW1_A + port - FM1_DTSEC1) ||
+		    is_serdes_configured(SGMII_SW1_MAC1  + port - FM1_DTSEC1))
 			return PHY_INTERFACE_MODE_QSGMII;
 	case FM1_DTSEC3:
 	case FM1_DTSEC4: