diff --git a/sshgss.h b/sshgss.h
index c188464a..5aa91bb9 100644
--- a/sshgss.h
+++ b/sshgss.h
@@ -1,3 +1,5 @@
+#include "puttyps.h"
+
 #define SSH2_GSS_OIDTYPE 0x06
 typedef void *Ssh_gss_ctx;
 typedef void *Ssh_gss_name;