diff --git a/crypto.c b/crypto.c
index 3140ec6..95e2297 100644
--- a/crypto.c
+++ b/crypto.c
@@ -62,7 +62,7 @@ static gcry_ctx_t       ec_ctx;
 static gcry_mpi_point_t ec_gen;
 static gcry_mpi_point_t ec_zero;
 static gcry_mpi_t       ec_n;
-static GNUNET_CRYPTO_EccDlogContext *ec_dlogctx;
+static struct GNUNET_CRYPTO_EccDlogContext *ec_dlogctx;
 
 
 /**
@@ -72,7 +72,7 @@ static GNUNET_CRYPTO_EccDlogContext *ec_dlogctx;
  * @param[in] dlogctx Pointer to the prepared dlog context.
  */
 void
-brandt_crypto_init (GNUNET_CRYPTO_EccDlogContext *dlogctx)
+brandt_crypto_init (struct GNUNET_CRYPTO_EccDlogContext *dlogctx)
 {
 	gcry_error_t rc;
 
@@ -1135,7 +1135,7 @@ fp_pub_determine_outcome (struct BRANDT_Auction *ad, uint16_t *winner)
 		if (gcry_mpi_test_bit (dlog, i))
 		{
 			if (winner)
-				winner = i;
+				*winner = i;
 			break;
 		}
 	}