diff --git a/target/linux/realtek/modules.mk b/target/linux/realtek/modules.mk
index 1157892070..233260c7b4 100644
--- a/target/linux/realtek/modules.mk
+++ b/target/linux/realtek/modules.mk
@@ -296,10 +296,18 @@ define KernelPackage/rtd1295hwnat/config
 	config KERNEL_RTL_TSO
 		bool "Enable HW TSO support"
 		depends on !KERNEL_RTL_IPTABLES_FAST_PATH
+		select KERNEL_RTL_GSO
 		default y
 		help
 		  Enable HW TSO for HW NAT.
 
+	config KERNEL_RTL_GSO
+		bool "Enable software GSO support"
+		depends on !KERNEL_RTL_IPTABLES_FAST_PATH
+		default y
+		help
+		  Enable software GSO support.
+
 	config KERNEL_RTL_IPTABLES_FAST_PATH
 		bool "Enable fastpath support"
 		select KERNEL_NF_CONNTRACK