timer.c: argc check now prints errors to stderr

1 files changed, 1 insertions, 1 deletions

diff --git a/timer.c b/timer.c
index 462aee9..3d43a7c 100644
--- a/timer.c
+++ b/timer.c
@@ -169,7 +169,7 @@ int main(int argc, char **argv)
 		error(1, 0, "Error: stdout is not a tty");
 
 	if (argc < 2) {
-		printf("Not enough arguments.\n");
+		fprintf(stderr, "Not enough arguments.\n");
 		usage(argv[0]);
 		exit(1);
 	}