diff --git a/core/src/utils/haptic.ts b/core/src/utils/haptic.ts
index 5c0853c355..95663d99d1 100644
--- a/core/src/utils/haptic.ts
+++ b/core/src/utils/haptic.ts
@@ -53,7 +53,7 @@ export function hapticSelectionEnd() {
  * Use this to indicate success/failure/warning to the user.
  * options should be of the type `{ type: 'success' }` (or `warning`/`error`)
  */
-export function hapticNotification(options: { type: string }) {
+export function hapticNotification(options: { type:  'success' | 'warning' | 'error' }) {
   const engine = (window as any).TapticEngine;
   if (engine) {
     engine.notification(options);
@@ -64,7 +64,7 @@ export function hapticNotification(options: { type: string }) {
  * Use this to indicate success/failure/warning to the user.
  * options should be of the type `{ style: 'light' }` (or `medium`/`heavy`)
  */
-export function hapticImpact(options: { style: string }) {
+export function hapticImpact(options: { style: 'light' | 'medium' | 'heavy' }) {
   const engine = (window as any).TapticEngine;
   if (engine) {
     engine.impact(options);