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-rw-r--r--libguile/numbers.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/numbers.c b/libguile/numbers.c
index 10efb303a..330ea2cdd 100644
--- a/libguile/numbers.c
+++ b/libguile/numbers.c
@@ -7090,7 +7090,7 @@ scm_to_mpz (SCM val, mpz_t rop)
if (SCM_I_INUMP (val))
mpz_set_si (rop, SCM_I_INUM (val));
else if (SCM_BIGP (val))
- mpz_set (rop, SCM_I_BIG_MPZ (val));
+ scm_integer_to_mpz_z (scm_bignum (val), rop);
else
scm_wrong_type_arg_msg (NULL, 0, val, "exact integer");
}