diff --git a/osc-joy.c b/osc-joy.c
index 152da8e..a227431 100644
--- a/osc-joy.c
+++ b/osc-joy.c
@@ -90,9 +90,12 @@ if (verbosity) {
 	} 
 
 lo_address t =  lo_address_new(remote_host, remote_port);
+/*
+ *   XXX   no error check ? wtf ?
+ */
 
 if( ( joy_fd = open(joy_device , O_RDONLY)) == -1 ) {
-	fprintf(stderr, "Couldn't open %s\n", joy_device);
+	fprintf(stderr, "%s: Couldn't open %s\n", argv[0], joy_device);
 	exit(1);
 	}