print usage to stderr

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main.c b/src/main.c
index 0ed1934..0db21a5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -46,7 +46,7 @@ int main(int argc, char** argv)
 
 	if (argc < 2)
 	{
-		printf("Usage: %s <file>\n", basename(argv[0]));
+		fprintf(stderr, "Usage: %s <file>\n", basename(argv[0]));
 		return 1;
 	}