1 files changed, 1 insertions, 1 deletions
diff --git a/dh.h b/dh.h
index bcd485cf..344b29e3 100644
--- a/dh.h
+++ b/dh.h
@@ -42,7 +42,7 @@ DH	*dh_new_group18(void);
 DH	*dh_new_group_fallback(int);
 
 int	 dh_gen_key(DH *, int);
-int	 dh_pub_is_valid(DH *, BIGNUM *);
+int	 dh_pub_is_valid(const DH *, const BIGNUM *);
 
 u_int	 dh_estimate(int);