1 files changed, 1 insertions, 1 deletions
diff --git a/newlib/libc/stdio/fileno.c b/newlib/libc/stdio/fileno.c
index b202cc5e3..57d091274 100644
--- a/newlib/libc/stdio/fileno.c
+++ b/newlib/libc/stdio/fileno.c
@@ -54,8 +54,8 @@ _DEFUN(fileno, (f),
        FILE * f)
 {
   int result;
-  CHECK_INIT (_REENT);
   _flockfile (f);
+  CHECK_INIT (f);
   result = __sfileno (f);
   _funlockfile (f);
   return result;