diff --git a/auth-sia.c b/auth-sia.c
index 63304d3..a9e1c25 100644
--- a/auth-sia.c
+++ b/auth-sia.c
@@ -36,6 +36,8 @@
 #include <string.h>
 
 #include "ssh.h"
+#include "key.h"
+#include "hostfile.h"
 #include "auth.h"
 #include "auth-sia.h"
 #include "log.h"