diff --git a/sys/winnt/stubs.c b/sys/winnt/stubs.c
index 61e031c7f..469a0bdb2 100644
--- a/sys/winnt/stubs.c
+++ b/sys/winnt/stubs.c
@@ -170,4 +170,14 @@ more()
     return;
 }
 
+void
+nethack_enter_nttty()
+{
+    return;
+}
+
+void
+set_altkeyhandler(const char *inName)
+{
+}
 #endif /* TTYSTUBS */