diff --git a/contrib/templates/default/postform.mustache b/contrib/templates/default/postform.mustache
index f135674..5c833f6 100644
--- a/contrib/templates/default/postform.mustache
+++ b/contrib/templates/default/postform.mustache
@@ -74,7 +74,7 @@
              {{#i18n.Translations}}{{solution}}{{/i18n.Translations}}
            </th>
            <td>
-             <input type="text" name="captcha" autocomplete="off" id="captcha_solution" />
+             <input type="text" name="captcha" autocomplete="off" id="captcha_solution" height="175" width="350"/>
            </td>
          </tr>
          <!-- <tr>