1 files changed, 1 insertions, 1 deletions
diff --git a/gamma.c b/gamma.c
index 98d80bf07..c92bf496a 100644
--- a/gamma.c
+++ b/gamma.c
@@ -198,7 +198,7 @@ mpfr_gamma (mpfr_ptr gamma, mpfr_srcptr x, mp_rnd_t rnd_mode)
       }
     else
       {
-	realprec += _mpfr_ceil_log2 ((double) realprec);
+	realprec += __gmpfr_ceil_log2 ((double) realprec);
 #ifdef DEBUG
 	printf("RETRY\n");
 #endif