1 files changed, 1 insertions, 1 deletions
diff --git a/demos/sslecho/main.c b/demos/sslecho/main.c
index bdc824f..8cf7744 100644
--- a/demos/sslecho/main.c
+++ b/demos/sslecho/main.c
@@ -118,7 +118,7 @@ void configure_client_context(SSL_CTX *ctx)
     }
 }
 
-void usage()
+void usage(void)
 {
     printf("Usage: sslecho s\n");
     printf("       --or--\n");