diff --git a/target/linux/realtek/files-6.6/drivers/net/ethernet/rtl838x_eth.h b/target/linux/realtek/files-6.6/drivers/net/ethernet/rtl838x_eth.h
index 692c1d69a02..797d6719570 100644
--- a/target/linux/realtek/files-6.6/drivers/net/ethernet/rtl838x_eth.h
+++ b/target/linux/realtek/files-6.6/drivers/net/ethernet/rtl838x_eth.h
@@ -46,7 +46,7 @@
 #define RTL838X_MAC_FORCE_MODE_CTRL		(0xa104)
 #define RTL839X_MAC_FORCE_MODE_CTRL		(0x02bc)
 #define RTL930X_MAC_FORCE_MODE_CTRL		(0xCA1C)
-#define RTL931X_MAC_FORCE_MODE_CTRL		(0x0ddc)
+#define RTL931X_MAC_FORCE_MODE_CTRL		(0x0dcc)
 
 #define RTL83XX_DMA_IF_INTR_STS_NOTIFY_MASK	GENMASK(22, 20)
 #define RTL83XX_DMA_IF_INTR_STS_RX_DONE_MASK	GENMASK(15, 8)