1 files changed, 1 insertions, 1 deletions
diff --git a/set_si.c b/set_si.c
index d0a8093ae..c0847c98e 100644
--- a/set_si.c
+++ b/set_si.c
@@ -72,7 +72,7 @@ mpfr_set_si (mpfr_ptr x, long i, mp_rnd_t rnd_mode)
       if (MPFR_UNLIKELY(carry))
         {
           /* nbits is the current exponent */
-          if (MPFR_UNLIKELY(nbits == __gmpfr_emax))
+          if (MPFR_UNLIKELY((mp_exp_t) nbits == __gmpfr_emax))
             return mpfr_set_overflow(x, rnd_mode, (i < 0 ? -1 : 1));
           MPFR_SET_EXP (x, nbits + 1);
           xp[xn] = MPFR_LIMB_HIGHBIT;