diff --git a/crypto/ec/ec2_smpl.c b/crypto/ec/ec2_smpl.c
index 1aae1997d..c06b3b667 100644
--- a/crypto/ec/ec2_smpl.c
+++ b/crypto/ec/ec2_smpl.c
@@ -821,7 +821,7 @@ int ec_GF2m_simple_is_on_curve(const EC_GROUP *group, const EC_POINT *point, BN_
 	field_sqr = group->meth->field_sqr;	
 
 	/* only support affine coordinates */
-	if (!point->Z_is_one) goto err;
+	if (!point->Z_is_one) return -1;
 
 	if (ctx == NULL)
 		{