diff --git a/lib/krb5/krb5_locl.h b/lib/krb5/krb5_locl.h
index 0619bf600..6e3c16907 100644
--- a/lib/krb5/krb5_locl.h
+++ b/lib/krb5/krb5_locl.h
@@ -50,6 +50,9 @@
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
@@ -120,6 +123,10 @@ struct sockaddr_dl;
 #undef des_encrypt
 #endif
 
+#ifdef HAVE_DOOR_CREATE
+#include <door.h>
+#endif
+
 #include <roken.h>
 #include <parse_time.h>
 #include <base64.h>