diff --git a/app/views/comments/_form.html.erb b/app/views/comments/_form.html.erb
index 03b6caad7..5361b50fb 100644
--- a/app/views/comments/_form.html.erb
+++ b/app/views/comments/_form.html.erb
@@ -5,7 +5,7 @@
     <%= f.text_area :body %>
     <%= f.hidden_field :commentable_type, value: parent.class %>
     <%= f.hidden_field :commentable_id, value: parent.id %>
-    
-    <%= f.submit comment_button_text(parent), :class => "button radius" %>
+
+    <%= f.submit comment_button_text(parent), class: "button radius" %>
   <% end %>
 </div>
diff --git a/app/views/debates/_form.html.erb b/app/views/debates/_form.html.erb
index 78641ebd4..0ed55cff3 100644
--- a/app/views/debates/_form.html.erb
+++ b/app/views/debates/_form.html.erb
@@ -32,7 +32,7 @@
   <%= render 'shared/captcha' %>
 
   <div class="actions">
-    <%= f.submit %>
+    <%= f.submit(class: "button radius") %>
   </div>
   <br/>
-<% end %>
\ No newline at end of file
+<% end %>
diff --git a/app/views/devise/confirmations/new.html.erb b/app/views/devise/confirmations/new.html.erb
index 0231be412..065ea4383 100644
--- a/app/views/devise/confirmations/new.html.erb
+++ b/app/views/devise/confirmations/new.html.erb
@@ -9,7 +9,7 @@
   </div>
 
   <div class="actions">
-    <%= f.submit t("devise_views.confirmations.submit") %>
+    <%= f.submit(t("devise_views.confirmations.submit"), class: "button radius") %>
   </div>
 <% end %>
 
diff --git a/app/views/devise/sessions/new.html.erb b/app/views/devise/sessions/new.html.erb
index 427b5a343..e4e706cc6 100644
--- a/app/views/devise/sessions/new.html.erb
+++ b/app/views/devise/sessions/new.html.erb
@@ -19,7 +19,7 @@
   <% end -%>
 
   <div class="actions">
-    <%= f.submit t("devise_views.sessions.new.submit") %>
+    <%= f.submit(t("devise_views.sessions.new.submit"), class: "button radius") %>
   </div>
 <% end %>