diff --git a/net/9p/client.c b/net/9p/client.c
index 8eb75425e6e660a6d087cb2a61890d96138b8106..812a4cdf53023639976a5b4454fa7c259ec17e07 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -127,7 +127,7 @@ static int parse_opts(char *opts, struct p9_client *clnt)
 	char *s;
 	int ret = 0;
 
-	clnt->proto_version = p9_proto_2000u;
+	clnt->proto_version = p9_proto_2000L;
 	clnt->msize = 8192;
 
 	if (!opts)