diff --git a/src/secp256k1/src/eckey_impl.h b/src/secp256k1/src/eckey_impl.h
index 1ab9a68ec..7c5b78932 100644
--- a/src/secp256k1/src/eckey_impl.h
+++ b/src/secp256k1/src/eckey_impl.h
@@ -1,100 +1,100 @@
 /**********************************************************************
  * Copyright (c) 2013, 2014 Pieter Wuille                             *
  * Distributed under the MIT software license, see the accompanying   *
  * file COPYING or http://www.opensource.org/licenses/mit-license.php.*
  **********************************************************************/
 
 #ifndef SECP256K1_ECKEY_IMPL_H
 #define SECP256K1_ECKEY_IMPL_H
 
 #include "eckey.h"
 
 #include "scalar.h"
 #include "field.h"
 #include "group.h"
 #include "ecmult_gen.h"
 
 static int secp256k1_eckey_pubkey_parse(secp256k1_ge *elem, const unsigned char *pub, size_t size) {
     if (size == 33 && (pub[0] == SECP256K1_TAG_PUBKEY_EVEN || pub[0] == SECP256K1_TAG_PUBKEY_ODD)) {
         secp256k1_fe x;
         return secp256k1_fe_set_b32(&x, pub+1) && secp256k1_ge_set_xo_var(elem, &x, pub[0] == SECP256K1_TAG_PUBKEY_ODD);
-    } else if (size == 65 && (pub[0] == 0x04 || pub[0] == 0x06 || pub[0] == 0x07)) {
+    } else if (size == 65 && (pub[0] == SECP256K1_TAG_PUBKEY_UNCOMPRESSED || pub[0] == SECP256K1_TAG_PUBKEY_HYBRID_EVEN || pub[0] == SECP256K1_TAG_PUBKEY_HYBRID_ODD)) {
         secp256k1_fe x, y;
         if (!secp256k1_fe_set_b32(&x, pub+1) || !secp256k1_fe_set_b32(&y, pub+33)) {
             return 0;
         }
         secp256k1_ge_set_xy(elem, &x, &y);
         if ((pub[0] == SECP256K1_TAG_PUBKEY_HYBRID_EVEN || pub[0] == SECP256K1_TAG_PUBKEY_HYBRID_ODD) &&
             secp256k1_fe_is_odd(&y) != (pub[0] == SECP256K1_TAG_PUBKEY_HYBRID_ODD)) {
             return 0;
         }
         return secp256k1_ge_is_valid_var(elem);
     } else {
         return 0;
     }
 }
 
 static int secp256k1_eckey_pubkey_serialize(secp256k1_ge *elem, unsigned char *pub, size_t *size, int compressed) {
     if (secp256k1_ge_is_infinity(elem)) {
         return 0;
     }
     secp256k1_fe_normalize_var(&elem->x);
     secp256k1_fe_normalize_var(&elem->y);
     secp256k1_fe_get_b32(&pub[1], &elem->x);
     if (compressed) {
         *size = 33;
         pub[0] = secp256k1_fe_is_odd(&elem->y) ? SECP256K1_TAG_PUBKEY_ODD : SECP256K1_TAG_PUBKEY_EVEN;
     } else {
         *size = 65;
         pub[0] = SECP256K1_TAG_PUBKEY_UNCOMPRESSED;
         secp256k1_fe_get_b32(&pub[33], &elem->y);
     }
     return 1;
 }
 
 static int secp256k1_eckey_privkey_tweak_add(secp256k1_scalar *key, const secp256k1_scalar *tweak) {
     secp256k1_scalar_add(key, key, tweak);
     if (secp256k1_scalar_is_zero(key)) {
         return 0;
     }
     return 1;
 }
 
 static int secp256k1_eckey_pubkey_tweak_add(const secp256k1_ecmult_context *ctx, secp256k1_ge *key, const secp256k1_scalar *tweak) {
     secp256k1_gej pt;
     secp256k1_scalar one;
     secp256k1_gej_set_ge(&pt, key);
     secp256k1_scalar_set_int(&one, 1);
     secp256k1_ecmult(ctx, &pt, &pt, &one, tweak);
 
     if (secp256k1_gej_is_infinity(&pt)) {
         return 0;
     }
     secp256k1_ge_set_gej(key, &pt);
     return 1;
 }
 
 static int secp256k1_eckey_privkey_tweak_mul(secp256k1_scalar *key, const secp256k1_scalar *tweak) {
     if (secp256k1_scalar_is_zero(tweak)) {
         return 0;
     }
 
     secp256k1_scalar_mul(key, key, tweak);
     return 1;
 }
 
 static int secp256k1_eckey_pubkey_tweak_mul(const secp256k1_ecmult_context *ctx, secp256k1_ge *key, const secp256k1_scalar *tweak) {
     secp256k1_scalar zero;
     secp256k1_gej pt;
     if (secp256k1_scalar_is_zero(tweak)) {
         return 0;
     }
 
     secp256k1_scalar_set_int(&zero, 0);
     secp256k1_gej_set_ge(&pt, key);
     secp256k1_ecmult(ctx, &pt, &pt, tweak, &zero);
     secp256k1_ge_set_gej(key, &pt);
     return 1;
 }
 
 #endif /* SECP256K1_ECKEY_IMPL_H */