1 files changed, 1 insertions, 1 deletions
diff --git a/mdocml.c b/mdocml.c
index bdeed340..e699c4dc 100644
--- a/mdocml.c
+++ b/mdocml.c
@@ -184,7 +184,7 @@ begin_bufs(const struct md_args *args,
 	if (-1 == fstat(in->fd, &stin)) {
 		warn("%s", in->name);
 		return(1);
-	} else if (0 == stin.st_size) {
+	} else if (STDIN_FILENO != in->fd && 0 == stin.st_size) {
 		warnx("%s: empty file", in->name);
 		return(1);
 	} else if (-1 == fstat(out->fd, &stout)) {