diff --git a/Makefile b/Makefile
index 34dc742..4843c16 100644
--- a/Makefile
+++ b/Makefile
@@ -152,7 +152,8 @@ distclean: clean
 
 clean:
 	rm -f Makefile.depend as_del.h as32_del.h ip_del.h ip6_del.h \
-		new_gtlds.h tld_serv.h servers_charset.h *.o whois mkpasswd
+		nic_handles.h new_gtlds.h tld_serv.h servers_charset.h \
+		*.o whois mkpasswd
 	rm -f po/*.mo
 
 pos: