1 files changed, 5 insertions, 0 deletions
diff --git a/xmessage.c b/xmessage.c
index 6f31007..a1082e6 100644
--- a/xmessage.c
+++ b/xmessage.c
@@ -349,6 +349,11 @@ main (int argc, char *argv[])
 	}
 	message_len = len;
     } else {
+	fputs("Unknown argument(s):", stderr);
+	for (int n = 1; n < argc; n++) {
+	    fprintf(stderr, " %s", argv[n]);
+	}
+	fputs("\n\n", stderr);
 	usage(stderr);
 	exit(1);
     }