diff --git a/src/actions.test.ts b/src/actions.test.ts
index 1ce7077..7b90a95 100644
--- a/src/actions.test.ts
+++ b/src/actions.test.ts
@@ -1,38 +1,65 @@
-import Updux from ".";
-import u from "updeep";
+import Updux, {actionCreator} from '.';
+import u from 'updeep';
 
 const noopEffect = () => () => () => {};
 
-test.only("actions defined in effects and mutations, multi-level", () => {
-  const { actions } = new Updux({
+test('actions defined in effects and mutations, multi-level', () => {
+  const {actions} = new Updux({
     effects: {
-      foo: noopEffect
+      foo: noopEffect,
     },
-    mutations: { bar: () => () => null },
+    mutations: {bar: () => () => null},
     subduxes: {
       mysub: {
-        effects: { baz: noopEffect },
-        mutations: { quux: () => () => null },
+        effects: {baz: noopEffect},
+        mutations: {quux: () => () => null},
         actions: {
-          foo: (limit: number) => ({ limit })
-        }
+          foo: (limit: number) => ({limit}),
+        },
       },
       myothersub: {
         effects: {
-          foo: noopEffect
-        }
-      }
-    }
+          foo: noopEffect,
+        },
+      },
+    },
   });
 
   const types = Object.keys(actions);
   types.sort();
 
-  expect(types).toEqual(["bar", "baz", "foo", "quux"]);
+  expect(types).toEqual(['bar', 'baz', 'foo', 'quux']);
 
-  expect(actions.bar()).toEqual({ type: "bar" });
-  expect(actions.bar("xxx")).toEqual({ type: "bar", payload: "xxx" });
-  expect(actions.bar(undefined, "yyy")).toEqual({ type: "bar", meta: "yyy" });
+  expect(actions.bar()).toEqual({type: 'bar'});
+  expect(actions.bar('xxx')).toEqual({type: 'bar', payload: 'xxx'});
+  expect(actions.bar(undefined, 'yyy')).toEqual({type: 'bar', meta: 'yyy'});
 
-  expect(actions.foo(12)).toEqual({ type: "foo", payload: { limit: 12 } });
+  expect(actions.foo(12)).toEqual({type: 'foo', payload: {limit: 12}});
+});
+
+describe('different calls to addAction', () => {
+  const updux = new Updux();
+
+  test('string', () => {
+    updux.addAction('foo');
+    expect(updux.actions.foo('yo')).toMatchObject({
+      type: 'foo',
+      payload: 'yo',
+    });
+  });
+
+  test('actionCreator', () => {
+    const bar = actionCreator('bar', null);
+    updux.addAction(bar);
+    expect(updux.actions.bar()).toMatchObject({
+      type: 'bar',
+    });
+  });
+
+  test('actionCreator inlined', () => {
+    updux.addAction('baz', (x) => ({x}));
+    expect(updux.actions.baz(3)).toMatchObject({
+      type: 'baz', payload: { x: 3 }
+    });
+  });
 });
diff --git a/src/updux.ts b/src/updux.ts
index 4a44afa..2df48c3 100644
--- a/src/updux.ts
+++ b/src/updux.ts
@@ -21,7 +21,7 @@ import {
   EffectEntry
 } from "./types";
 
-import { Middleware, Store } from "redux";
+import { Middleware, Store, PreloadedState } from "redux";
 export { actionCreator } from "./buildActions";
 
 type StoreWithDispatchActions<
@@ -129,7 +129,7 @@ export class Updux<S = any> {
 
     return buildCreateStore<S>(
       this.reducer,
-      this.initial,
+      this.initial as PreloadedState<S>,
       this.middleware as any,
       actions
     ) as () => StoreWithDispatchActions<S, typeof actions>;
@@ -175,14 +175,17 @@ export class Updux<S = any> {
     this.localEffects.push([c.type, middleware, isGenerator]);
   }
 
-  addAction(action: string | ActionCreator<any>) {
+  addAction(action: string, transform?: any): ActionCreator<string,any>
+  addAction(action: ActionCreator<any>, transform?: never): ActionCreator<string,any>
+  addAction(action: any,transform:any) {
     if (typeof action === "string") {
       if (!this.localActions[action]) {
-        this.localActions[action] = actionFor(action);
+        this.localActions[action] = actionCreator(action,transform);
       }
-    } else {
-      this.localActions[action.type] = action;
+      return this.localActions[action];
     }
+
+    return this.localActions[action.type] = action;
   }
 
   get _middlewareEntries() {
diff --git a/tsconfig.json b/tsconfig.json
index b8a8c14..f45ba03 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -27,7 +27,7 @@
 
     /* Strict Type-Checking Options */
     "strict": true,                           /* Enable all strict type-checking options. */
-    "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    "noImplicitAny": false,                 /* Raise error on expressions and declarations with an implied 'any' type. */
     // "strictNullChecks": true,              /* Enable strict null checks. */
     // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
     // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */