diff --git a/networking/ftpgetput.c b/networking/ftpgetput.c
index a13aaa2..47ffb5d 100644
--- a/networking/ftpgetput.c
+++ b/networking/ftpgetput.c
@@ -154,7 +154,7 @@
 	}
 
 	if ((local_path[0] == '-') && (local_path[1] == '\0')) {
-		fd_local = fileno(stdout);
+		fd_local = STDOUT_FILENO;
 		do_continue = 0;
 	}
 
@@ -230,7 +230,7 @@
 
 	/* get the local file */
 	if ((local_path[0] == '-') && (local_path[1] == '\0')) {
-		fd_local = fileno(stdin);
+		fd_local = STDIN_FILENO;
 	} else {
 		fd_local = bb_xopen(local_path, O_RDONLY);
 		fstat(fd_local, &sbuf);