diff --git a/src/Updux.js b/src/Updux.js
index d0ad6df..c239fe6 100644
--- a/src/Updux.js
+++ b/src/Updux.js
@@ -1,6 +1,10 @@
 import R from 'remeda';
 
-import { Action, ActionGenerator } from './actions.js';
+import { action } from './actions.js';
+
+function isActionGen(action) {
+    return typeof action === "function" && action.type;
+}
 
 export class Updux {
     #localInitial = {};
@@ -14,7 +18,9 @@ export class Updux {
         this.#localInitial = config.initial ?? {};
         this.#subduxes = config.subduxes ?? {};
 
-        this.#actions = { ...config.actions };
+        this.#actions = R.mapValues( config.actions ?? {},  (arg,name) =>
+            isActionGen(arg) ? arg : action(name,arg)
+        );
         Object.entries(this.#subduxes).forEach( ([slice,sub]) => this.#addSubduxActions(slice,sub) )
     }
 
diff --git a/src/actions.test.js b/src/actions.test.js
index 1501fd2..c722040 100644
--- a/src/actions.test.js
+++ b/src/actions.test.js
@@ -67,3 +67,15 @@ test('throw if double action', () => {
     }) ).toThrow(/action 'foo' already defined/);
 
 });
+
+test('action definition shortcut', () => {
+    const foo = new Updux({
+        actions: {
+            foo: null,
+            bar: x => ({x}),
+        },}
+    );
+
+    expect( foo.actions.foo("hello") ).toEqual({ type: 'foo', payload: 'hello' });
+    expect( foo.actions.bar("hello") ).toEqual({ type: 'bar', payload: {x:'hello'} });
+});