diff --git a/src/abstract/weierstrass.ts b/src/abstract/weierstrass.ts
index aecbeb3..06a46bb 100644
--- a/src/abstract/weierstrass.ts
+++ b/src/abstract/weierstrass.ts
@@ -188,7 +188,7 @@ export const DER = {
 // prettier-ignore
 const _0n = BigInt(0), _1n = BigInt(1), _2n = BigInt(2), _3n = BigInt(3), _4n = BigInt(4);
 
-export function weierstrassPoints<T>(opts: CurvePointsType<T>) {
+export function weierstrassPoints<T>(opts: CurvePointsType<T>): CurvePointsRes<T> {
   const CURVE = validatePointOpts(opts);
   const { Fp } = CURVE; // All curves has same field / group length as for now, but they can differ