diff --git a/demo/src/env.ts b/demo/src/env.ts
index c579ec0f..f0df1c83 100644
--- a/demo/src/env.ts
+++ b/demo/src/env.ts
@@ -1,4 +1,4 @@
-import { Env } from "../../src/core/widget";
+import { Env } from "../../src/core/Widget";
 import QWeb from "../../src/core/qweb_vdom";
 import Router from "./services/router";
 import actions from "./services/actions";
diff --git a/demo/src/services/actions.ts b/demo/src/services/actions.ts
index 8ad5248a..322eea08 100644
--- a/demo/src/services/actions.ts
+++ b/demo/src/services/actions.ts
@@ -1,6 +1,6 @@
 import CRM from "../widgets/CRM";
 import Discuss from "../widgets/Discuss";
-import Widget from "../../../src/core/widget";
+import Widget from "../../../src/core/Widget";
 
 export interface Action {
   id: number;
diff --git a/demo/src/widgets/CRM.ts b/demo/src/widgets/CRM.ts
index 5ccff573..9fcbc4fd 100644
--- a/demo/src/widgets/CRM.ts
+++ b/demo/src/widgets/CRM.ts
@@ -1,4 +1,4 @@
-import Widget from "../../../src/core/widget";
+import Widget from "../../../src/core/Widget";
 
 const template = `
     <div class="o_crm">
diff --git a/demo/src/widgets/Counter.ts b/demo/src/widgets/Counter.ts
index 094b8e58..b30e63ab 100644
--- a/demo/src/widgets/Counter.ts
+++ b/demo/src/widgets/Counter.ts
@@ -1,4 +1,4 @@
-import Widget from "../../../src/core/widget";
+import Widget from "../../../src/core/Widget";
 
 const template = `
     <div>
diff --git a/demo/src/widgets/Discuss.ts b/demo/src/widgets/Discuss.ts
index 7c2e3c79..3d2e8c98 100644
--- a/demo/src/widgets/Discuss.ts
+++ b/demo/src/widgets/Discuss.ts
@@ -1,4 +1,4 @@
-import Widget from "../../../src/core/widget";
+import Widget from "../../../src/core/Widget";
 import Counter from "./Counter";
 
 const template = `
diff --git a/demo/src/widgets/Navbar.ts b/demo/src/widgets/Navbar.ts
index 099913ed..537f304c 100644
--- a/demo/src/widgets/Navbar.ts
+++ b/demo/src/widgets/Navbar.ts
@@ -1,4 +1,4 @@
-import Widget from "../../../src/core/widget";
+import Widget from "../../../src/core/Widget";
 import { Action } from "../services/actions";
 
 const template = `
diff --git a/demo/src/widgets/RootWidget.ts b/demo/src/widgets/RootWidget.ts
index 82f579a3..252e885d 100644
--- a/demo/src/widgets/RootWidget.ts
+++ b/demo/src/widgets/RootWidget.ts
@@ -1,4 +1,4 @@
-import Widget, { Env } from "../../../src/core/widget";
+import Widget, { Env } from "../../../src/core/Widget";
 import Navbar from "./Navbar";
 import { Action } from "../services/actions";
 
diff --git a/src/bundles/core.ts b/src/bundles/core.ts
index d3d0d64b..4e6bf491 100644
--- a/src/bundles/core.ts
+++ b/src/bundles/core.ts
@@ -1,6 +1,6 @@
 import QWeb from "../core/qweb_vdom";
 import * as utils from "../core/utils";
-import Widget from "../core/widget";
+import Widget from "../core/Widget";
 
 
 (<any>window).core = {
diff --git a/tests/widget.test.ts b/tests/widget.test.ts
index d5d6e3e8..89de1b83 100644
--- a/tests/widget.test.ts
+++ b/tests/widget.test.ts
@@ -1,4 +1,4 @@
-import Widget from "../src/core/widget";
+import Widget from "../src/core/Widget";
 import QWeb from "../src/core/qweb_vdom";
 
 function makeWidget(W: typeof Widget): Widget {