1 files changed, 1 insertions, 1 deletions
diff --git a/libio/libioP.h b/libio/libioP.h
index b99b81743f..854f049291 100644
--- a/libio/libioP.h
+++ b/libio/libioP.h
@@ -974,7 +974,7 @@ __attribute__ ((__always_inline__))
 _IO_acquire_lock_clear_flags2_fct (_IO_FILE **p)
 {
   _IO_FILE *fp = *p;
-  fp->_flags &= ~_IO_FLAGS2_FORTIFY;
+  fp->_flags2 &= ~(_IO_FLAGS2_FORTIFY | _IO_FLAGS2_SCANF_STD);
   if ((fp->_flags & _IO_USER_LOCK) == 0)
     _IO_funlockfile (fp);
 }