diff --git a/sys/netipsec/keysock.c b/sys/netipsec/keysock.c
index a563e9a5757..787f84633ca 100644
--- a/sys/netipsec/keysock.c
+++ b/sys/netipsec/keysock.c
@@ -39,8 +39,10 @@
 #include <sys/domain.h>
 #include <sys/errno.h>
 #include <sys/kernel.h>
+#include <sys/lock.h>
 #include <sys/malloc.h>
 #include <sys/mbuf.h>
+#include <sys/mutex.h>
 #include <sys/protosw.h>
 #include <sys/signalvar.h>
 #include <sys/socket.h>