diff --git a/app/settings.rb b/app/settings.rb
index fb35e541..74249cd1 100644
--- a/app/settings.rb
+++ b/app/settings.rb
@@ -211,6 +211,8 @@ post '/settings/:username/change_nsfw' do
   require_login
   require_ownership_for_settings
 
+  redirect "/settings/#{@site.username}" if @site.admin_nsfw == true
+
   @site.is_nsfw = params[:is_nsfw]
   @site.save_changes validate: false
   flash[:success] = @site.is_nsfw ? 'Marked 18+' : 'Unmarked 18+'
@@ -260,7 +262,7 @@ end
 
 post '/settings/change_email' do
   require_login
-  
+
   if params[:email] == parent_site.email
     flash[:error] = 'You are already using this email address for this account.'
     redirect '/settings#email'
@@ -331,4 +333,4 @@ get '/settings/unsubscribe_email/?' do
     @message = 'There was an error unsubscribing your email address. Please contact support.'
   end
   erb :'settings/account/unsubscribe'
-end
\ No newline at end of file
+end
diff --git a/tests/acceptance/settings/site_tests.rb b/tests/acceptance/settings/site_tests.rb
index 968037ff..dbb4d999 100644
--- a/tests/acceptance/settings/site_tests.rb
+++ b/tests/acceptance/settings/site_tests.rb
@@ -320,6 +320,12 @@ describe 'delete' do
     someone_elses_site.is_deleted.must_equal false
   end
 
+  it 'should not show NSFW tab for admin NSFW flag' do
+    owned_site = Fabricate :site, parent_site_id: @site.id, admin_nsfw: true
+    visit "/settings/#{owned_site.username}"
+    page.body.wont_match /18\+/
+  end
+
   it 'should succeed if you own the site' do
     owned_site = Fabricate :site, parent_site_id: @site.id
     visit "/settings/#{owned_site.username}#delete"
@@ -341,4 +347,4 @@ describe 'delete' do
     visit "/settings/#{@site.username}#delete"
     page.body.must_match /You cannot delete the parent site without deleting the children sites first/i
   end
-end
\ No newline at end of file
+end
diff --git a/views/settings/site.erb b/views/settings/site.erb
index de7fc757..11403b39 100644
--- a/views/settings/site.erb
+++ b/views/settings/site.erb
@@ -26,7 +26,11 @@
           <li class="active"><a href="#profile" data-toggle="tab">Profile</a></li>
           <li><a href="#custom_domain" data-toggle="tab">Custom Domain</a></li>
           <li><a href="#username" data-toggle="tab">Username</a></li>
-          <li><a href="#nsfw" data-toggle="tab">18+</a></li>
+
+          <% if @site.admin_nsfw != true %>
+            <li><a href="#nsfw" data-toggle="tab">18+</a></li>
+          <% end %>
+
           <li><a href="#delete" data-toggle="tab">Delete</a></li>
         </ul>
         <div class="tab-content">
@@ -39,9 +43,13 @@
           <div class="tab-pane" id="username">
             <%== erb :'settings/site/username' %>
           </div>
-          <div class="tab-pane" id="nsfw">
-            <%== erb :'settings/site/nsfw' %>
-          </div>
+
+          <% if @site.admin_nsfw != true %>
+            <div class="tab-pane" id="nsfw">
+              <%== erb :'settings/site/nsfw' %>
+            </div>
+          <% end %>
+
           <div class="tab-pane" id="delete">
             <%== erb :'settings/site/delete' %>
           </div>
@@ -90,4 +98,4 @@ $(document).ready(function() {
       return location.hash = $(e.target).attr('href').substr(1);
     });
 });
-</script>
\ No newline at end of file
+</script>