diff --git a/crypto.c b/crypto.c
index 099d3dd..4ed9be8 100644
--- a/crypto.c
+++ b/crypto.c
@@ -936,8 +936,8 @@ smc_compute_outcome (struct AuctionData *ad, size_t *buflen)
 
 	gcry_mpi_point_release (tmpa);
 	gcry_mpi_point_release (tmpb);
-	smc_free1 (tlta1, ad->n);
-	smc_free1 (tltb1, ad->n);
+	smc_free1 (tlta1, ad->k);
+	smc_free1 (tltb1, ad->k);
 	smc_free2 (tlta2, ad->n, ad->k);
 	smc_free2 (tltb2, ad->n, ad->k);
 	smc_free2 (tlta3, ad->n, ad->k);