1 files changed, 1 insertions, 1 deletions
diff --git a/signpost.c b/signpost.c
index 17557a3..c74d9d4 100644
--- a/signpost.c
+++ b/signpost.c
@@ -2321,7 +2321,7 @@ const struct game thegame = {
 const char *quis = NULL;
 int verbose = 0;
 
-void usage(FILE *out) {
+static void usage(FILE *out) {
     fprintf(out, "usage: %s [--stdin] [--soak] [--seed SEED] <params>|<game id>\n", quis);
 }