1 files changed, 1 insertions, 1 deletions

diff --git a/dh.h b/dh.h
index bcd485cf9..344b29e35 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);