diff --git a/view/header.html b/view/header.html
index 8b3effe..d7b5fe9 100644
--- a/view/header.html
+++ b/view/header.html
@@ -24,7 +24,7 @@
             <option value="ja"{{if eq .Lan "ja"}} selected{{end}}>日本語</option>
             <option value="en"{{if eq .Lan "en"}} selected{{end}}>English</option>
           </select>
-          <input class="langchange" type="submit" name="chen" value="{{.T "langchange"}}" />
+          <input class="langchange" type="submit" name="langchange" value="{{.T "langchange"}}" />
         </div>
       </form>
       <hr />