diff --git a/src/content/reducers/setting.ts b/src/content/reducers/setting.ts
index a3dc3aa..9ca1380 100644
--- a/src/content/reducers/setting.ts
+++ b/src/content/reducers/setting.ts
@@ -1,20 +1,20 @@
 import * as actions from '../actions';
 import * as keyUtils from '../../shared/utils/keys';
 import * as operations from '../../shared/operations';
-import { Properties } from '../../shared/Settings';
+import { Search, Properties, DefaultSetting } from '../../shared/Settings';
 
 export interface State {
   keymaps: { key: keyUtils.Key[], op: operations.Operation }[];
+  search: Search;
   properties: Properties;
 }
 
+// defaultState does not refer due to the state is load from
+// background on load.
 const defaultState: State = {
   keymaps: [],
-  properties: {
-    complete: '',
-    smoothscroll: false,
-    hintchars: '',
-  },
+  search: DefaultSetting.search,
+  properties: DefaultSetting.properties,
 };
 
 export default function reducer(
@@ -31,6 +31,7 @@ export default function reducer(
         };
       }),
       properties: action.settings.properties,
+      search: action.settings.search,
     };
   default:
     return state;
diff --git a/src/content/urls.ts b/src/content/urls.ts
index 390efde..035b9bb 100644
--- a/src/content/urls.ts
+++ b/src/content/urls.ts
@@ -1,5 +1,6 @@
 import * as messages from '../shared/messages';
 import * as urls from '../shared/urls';
+import { Search } from '../shared/Settings';
 
 const yank = (win: Window) => {
   let input = win.document.createElement('input');
@@ -15,7 +16,7 @@ const yank = (win: Window) => {
   input.remove();
 };
 
-const paste = (win: Window, newTab: boolean, searchSettings: any) => {
+const paste = (win: Window, newTab: boolean, search: Search) => {
   let textarea = win.document.createElement('textarea');
   win.document.body.append(textarea);
 
@@ -26,7 +27,7 @@ const paste = (win: Window, newTab: boolean, searchSettings: any) => {
 
   if (win.document.execCommand('paste')) {
     let value = textarea.textContent as string;
-    let url = urls.searchUrl(value, searchSettings);
+    let url = urls.searchUrl(value, search);
     browser.runtime.sendMessage({
       type: messages.OPEN_URL,
       url,
diff --git a/src/shared/Settings.ts b/src/shared/Settings.ts
index ce6b9ee..e35094b 100644
--- a/src/shared/Settings.ts
+++ b/src/shared/Settings.ts
@@ -117,7 +117,7 @@ export const valueOf = (o: any): Settings => {
   return settings;
 };
 
-const DefaultSetting: Settings = {
+export const DefaultSetting: Settings = {
   keymaps: {
     '0': { 'type': 'scroll.home' },
     ':': { 'type': 'command.show' },