diff --git a/ecdsa.c b/ecdsa.c
index 1462ad5eb..cb29a82d9 100644
--- a/ecdsa.c
+++ b/ecdsa.c
@@ -745,7 +745,7 @@ int ecdsa_sign_digest(const uint8_t *priv_key, const uint8_t *digest, uint8_t *s
 	MEMSET_BZERO(&k, sizeof(k));
 	MEMSET_BZERO(&z, sizeof(z));
 	MEMSET_BZERO(&R, sizeof(R));
-	return 0;
+	return result;
 }
 
 void ecdsa_get_public_key33(const uint8_t *priv_key, uint8_t *pub_key)