diff --git a/templates/index.html b/templates/index.html
index fa974b5..d0e68c5 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -19,6 +19,7 @@
               From:
             </label>
             <select name="from" id="from" class="form__input">
+              <option value="auto">Detect language</option>
               {{range $code, $name := $.Languages}}
               <option value="{{$code}}" {{if eq $code $.From}}selected{{end}}>
                 {{$name|title}}