2 files changed, 4 insertions, 4 deletions
diff --git a/src/content/reducers/input.js b/src/content/reducers/input.js
index 9457604..134aa95 100644
--- a/src/content/reducers/input.js
+++ b/src/content/reducers/input.js
@@ -1,18 +1,18 @@
 import actions from 'content/actions';
 
 const defaultState = {
-  keys: ''
+  keys: []
 };
 
 export default function reducer(state = defaultState, action = {}) {
   switch (action.type) {
   case actions.INPUT_KEY_PRESS:
     return Object.assign({}, state, {
-      keys: state.keys + action.key
+      keys: state.keys.concat([action.key]),
     });
   case actions.INPUT_CLEAR_KEYS:
     return Object.assign({}, state, {
-      keys: '',
+      keys: [],
     });
   default:
     return state;
diff --git a/src/content/reducers/setting.js b/src/content/reducers/setting.js
index b6f6c58..a54f5a3 100644
--- a/src/content/reducers/setting.js
+++ b/src/content/reducers/setting.js
@@ -1,7 +1,7 @@
 import actions from 'content/actions';
 
 const defaultState = {
-  keymaps: {},
+  keymaps: new Map(),
 };
 
 export default function reducer(state = defaultState, action = {}) {