diff --git a/appl/ftp/ftpd/ftpd.c b/appl/ftp/ftpd/ftpd.c
index 4795ccdf8..4a659a841 100644
--- a/appl/ftp/ftpd/ftpd.c
+++ b/appl/ftp/ftpd/ftpd.c
@@ -89,6 +89,8 @@ RCSID("$Id$");
 #include <kafs.h>
 #include "roken.h"
 
+#undef SKEY
+
 void yyparse();
 
 extern char *optarg;