diff --git a/src/compat/Kbuild.include b/src/compat/Kbuild.include
index a0c2af76..0192ecdc 100644
--- a/src/compat/Kbuild.include
+++ b/src/compat/Kbuild.include
@@ -69,6 +69,10 @@ ifeq ($(wildcard $(srctree)/arch/arm64/include/asm/neon.h)$(CONFIG_ARM64),y)
 ccflags-y += -I$(kbuild-dir)/compat/neon-arm/include
 endif
 
+ifeq ($(wildcard $(srctree)/include/net/dst_metadata.h),)
+ccflags-y += -I$(kbuild-dir)/compat/dstmetadata/include
+endif
+
 ifeq ($(CONFIG_X86_64),y)
 	ifeq ($(ssse3_instr),)
 		ssse3_instr := $(call as-instr,pshufb %xmm0$(comma)%xmm0,-DCONFIG_AS_SSSE3=1)
diff --git a/src/compat/dstmetadata/include/net/dst_metadata.h b/src/compat/dstmetadata/include/net/dst_metadata.h
new file mode 100644
index 00000000..e22d0b74
--- /dev/null
+++ b/src/compat/dstmetadata/include/net/dst_metadata.h
@@ -0,0 +1,3 @@
+#ifndef skb_valid_dst
+#define skb_valid_dst(skb) skb_dst(skb)
+#endif
diff --git a/src/device.c b/src/device.c
index ece4ad2d..062490f1 100644
--- a/src/device.c
+++ b/src/device.c
@@ -19,6 +19,7 @@
 #include <linux/if_arp.h>
 #include <linux/icmp.h>
 #include <linux/suspend.h>
+#include <net/dst_metadata.h>
 #include <net/icmp.h>
 #include <net/rtnetlink.h>
 #include <net/ip_tunnels.h>
@@ -160,7 +161,7 @@ static netdev_tx_t wg_xmit(struct sk_buff *skb, struct net_device *dev)
 		goto err_peer;
 	}
 
-	mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
+	mtu = skb_valid_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
 
 	__skb_queue_head_init(&packets);
 	if (!skb_is_gso(skb)) {