diff --git a/include/uapi/linux/seg6.h b/include/uapi/linux/seg6.h
index 61df8d392f41..7278511d339e 100644
--- a/include/uapi/linux/seg6.h
+++ b/include/uapi/linux/seg6.h
@@ -15,6 +15,7 @@
 #define _UAPI_LINUX_SEG6_H
 
 #include <linux/types.h>
+#include <linux/in6.h>		/* For struct in6_addr. */
 
 /*
  * SRH
diff --git a/include/uapi/linux/seg6_iptunnel.h b/include/uapi/linux/seg6_iptunnel.h
index 7a7183d4062a..b6e5a0a1afd7 100644
--- a/include/uapi/linux/seg6_iptunnel.h
+++ b/include/uapi/linux/seg6_iptunnel.h
@@ -14,6 +14,8 @@
 #ifndef _UAPI_LINUX_SEG6_IPTUNNEL_H
 #define _UAPI_LINUX_SEG6_IPTUNNEL_H
 
+#include <linux/seg6.h>		/* For struct ipv6_sr_hdr. */
+
 enum {
 	SEG6_IPTUNNEL_UNSPEC,
 	SEG6_IPTUNNEL_SRH,