Fix some format specifier nits, from Ben Boeckel.

1 files changed, 2 insertions, 2 deletions

diff --git a/server-fn.c b/server-fn.c
index b8cdb31a..f89eca8e 100644
--- a/server-fn.c
+++ b/server-fn.c
@@ -41,9 +41,9 @@ server_fill_environ(struct session *s, struct environ *env)
 
 		idx = s->id;
 	} else
-		idx = -1;
+		idx = (u_int)-1;
 	pid = getpid();
-	xsnprintf(var, sizeof var, "%s,%ld,%d", socket_path, pid, idx);
+	xsnprintf(var, sizeof var, "%s,%ld,%u", socket_path, pid, idx);
 	environ_set(env, "TMUX", var);
 }