diff --git a/include/netinet/in.h b/include/netinet/in.h
index 44018f14..b7b8c823 100644
--- a/include/netinet/in.h
+++ b/include/netinet/in.h
@@ -233,7 +233,7 @@ struct in6_pktinfo
 	unsigned ipi6_ifindex;
 };
 
-struct in6_mutinfo
+struct ip6_mtuinfo
 {
 	struct sockaddr_in6 ip6m_addr;
 	uint32_t ip6m_mtu;
diff --git a/include/sys/timex.h b/include/sys/timex.h
index a1689777..12623922 100644
--- a/include/sys/timex.h
+++ b/include/sys/timex.h
@@ -7,7 +7,7 @@ extern "C" {
 
 #include <sys/time.h>
 
-struct npttimeval {
+struct ntptimeval {
 	struct timeval time;
 	long maxerror, esterror;
 };