diff --git a/src/effects.ts b/src/effects.ts
index 7481d7a..0f3d8f1 100644
--- a/src/effects.ts
+++ b/src/effects.ts
@@ -24,7 +24,7 @@ function* promiseActionWrapper<
 ) {
     try {
         const payload: Y = yield call(worker, action);
-        resolvePromiseAction(action, payload as any);
+        resolvePromiseAction(action, payload);
         yield put(promiseAction.success(payload));
     } catch (err) {
         yield rejectPromiseAction(action, err);
diff --git a/src/index.ts b/src/index.ts
index 995b3f5..657c600 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -149,6 +149,14 @@ export const promiseMiddleware: PromiseMiddleware = () => next => action => {
     });
 };
 
+/**
+ * Resolve promise action.
+ * @param {PromiseAction<RequestType, X, Y>} action Action to resolve
+ */
+export function resolvePromiseAction<RequestType extends TypeConstant, X, undefined>(
+    action: PromiseAction<RequestType, X, undefined>
+): void;
+
 /**
  * Resolve promise action.
  * @param {PromiseAction<RequestType, X, Y>} action Action to resolve
@@ -156,11 +164,25 @@ export const promiseMiddleware: PromiseMiddleware = () => next => action => {
  */
 export function resolvePromiseAction<RequestType extends TypeConstant, X, Y>(
     action: PromiseAction<RequestType, X, Y>,
-    ...payload: Y extends undefined ? [] : [Y]
+    payload: Y
+): void;
+
+export function resolvePromiseAction<RequestType extends TypeConstant, X, Y>(
+    action: PromiseAction<RequestType, X, Y>,
+    payload?: Y
 ) {
-    action.meta.promise.resolve(payload[0]);
+    action.meta.promise.resolve(payload);
 }
 
+/**
+ * Reject promise action.
+ * @param {A} action Action to reject
+ */
+export function rejectPromiseAction<RequestType extends TypeConstant, X, Y, undefined>(
+    action: PromiseAction<RequestType, X, Y>
+): void;
+
+
 /**
  * Reject promise action.
  * @param {A} action Action to reject
@@ -168,9 +190,14 @@ export function resolvePromiseAction<RequestType extends TypeConstant, X, Y>(
  */
 export function rejectPromiseAction<RequestType extends TypeConstant, X, Y, Z>(
     action: PromiseAction<RequestType, X, Y>,
-    ...payload: Z extends undefined ? [] : [Z]
+    payload: Z
+): void;
+
+export function rejectPromiseAction<RequestType extends TypeConstant, X, Y, Z>(
+    action: PromiseAction<RequestType, X, Y>,
+    payload?: Z
 ) {
-    action.meta.promise.reject(payload[0]);
+    action.meta.promise.reject(payload);
 }
 
 /**