1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/tee.c b/coreutils/tee.c
index 25c108725..6ec1d6dff 100644
--- a/coreutils/tee.c
+++ b/coreutils/tee.c
@@ -78,7 +78,7 @@ int tee_main(int argc, char **argv)
         *p = NULL;                              /* Store the sentinal value. */
 
 #ifdef CONFIG_FEATURE_TEE_USE_BLOCK_IO
-        while ((c = read(0, buf, BUFSIZ)) != 0) {
+        while ((c = read(STDIN_FILENO, buf, BUFSIZ)) != 0) {
                 for (p=files ; *p ; p++) {
                         fwrite(buf, 1, c, *p);
                 }