diff --git a/src/jws.c b/src/jws.c
index ae94fc3ca..769a74b1e 100644
--- a/src/jws.c
+++ b/src/jws.c
@@ -59,8 +59,10 @@ static size_t EVP_PKEY_EC_to_pub_jwk(EVP_PKEY *pkey, char *dst, size_t dsize)
 	size_t curvelen;
 	int nid;
 
-	EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_EC_PUB_X, &x);
-	EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_EC_PUB_Y, &y);
+	if (EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_EC_PUB_X, &x) == 0)
+		goto out;
+	if (EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_EC_PUB_Y, &y) == 0)
+		goto out;
 
 	if (EVP_PKEY_get_utf8_string_param(pkey, OSSL_PKEY_PARAM_GROUP_NAME, curve, sizeof(curve), &curvelen) == 0)
 		goto out;