1 files changed, 1 insertions, 1 deletions
diff --git a/cos.c b/cos.c
index 0e483b6d8..65680b5c7 100644
--- a/cos.c
+++ b/cos.c
@@ -118,7 +118,7 @@ mpfr_cos2_aux (mpfr_ptr f, mpfr_srcptr r)
 }
 
 int
-mpfr_cos (mpfr_ptr y, mpfr_srcptr x, mp_rnd_t rnd_mode)
+mpfr_cos (mpfr_ptr y, mpfr_srcptr x, mpfr_rnd_t rnd_mode)
 {
   mp_prec_t K0, K, precy, m, k, l;
   int inexact, reduce = 0;