diff --git a/app/views/account/login.html.erb b/app/views/account/login.html.erb
index 1440e3227..ba212c6a3 100644
--- a/app/views/account/login.html.erb
+++ b/app/views/account/login.html.erb
@@ -33,3 +33,7 @@
 <% else %>
 <%= javascript_tag "$('#username').focus();" %>
 <% end %>
+
+<% content_for :header_tags do %>
+  <%= robot_exclusion_tag %>
+<% end %>
diff --git a/app/views/account/lost_password.html.erb b/app/views/account/lost_password.html.erb
index 19df8d9a9..d0f82bddf 100644
--- a/app/views/account/lost_password.html.erb
+++ b/app/views/account/lost_password.html.erb
@@ -9,3 +9,7 @@
     </p>
   </div>
 <% end %>
+
+<% content_for :header_tags do %>
+  <%= robot_exclusion_tag %>
+<% end %>
diff --git a/app/views/account/password_recovery.html.erb b/app/views/account/password_recovery.html.erb
index 0c275b476..6e6af401d 100644
--- a/app/views/account/password_recovery.html.erb
+++ b/app/views/account/password_recovery.html.erb
@@ -21,3 +21,7 @@
   </div>
   <p><%= submit_tag l(:button_save) %></p>
 <% end %>
+
+<% content_for :header_tags do %>
+  <%= robot_exclusion_tag %>
+<% end %>
diff --git a/app/views/account/register.html.erb b/app/views/account/register.html.erb
index f35e0e0cc..90154885f 100644
--- a/app/views/account/register.html.erb
+++ b/app/views/account/register.html.erb
@@ -39,3 +39,7 @@
 
 <%= submit_tag l(:button_submit) %>
 <% end %>
+
+<% content_for :header_tags do %>
+  <%= robot_exclusion_tag %>
+<% end %>
diff --git a/test/functional/account_controller_test.rb b/test/functional/account_controller_test.rb
index d571ea1ae..df8ed6887 100644
--- a/test/functional/account_controller_test.rb
+++ b/test/functional/account_controller_test.rb
@@ -32,6 +32,7 @@ class AccountControllerTest < Redmine::ControllerTest
 
     assert_select 'input[name=username]'
     assert_select 'input[name=password]'
+    assert_select 'head>meta[name="robots"][content=?]', 'noindex,follow,noarchive'
   end
 
   def test_get_login_while_logged_in_should_redirect_to_back_url_if_present
@@ -293,6 +294,7 @@ class AccountControllerTest < Redmine::ControllerTest
 
       assert_select 'input[name=?]', 'user[password]'
       assert_select 'input[name=?]', 'user[password_confirmation]'
+      assert_select 'head>meta[name="robots"][content=?]', 'noindex,follow,noarchive'
     end
   end
 
@@ -405,6 +407,7 @@ class AccountControllerTest < Redmine::ControllerTest
     get :lost_password
     assert_response :success
     assert_select 'input[name=mail]'
+    assert_select 'head>meta[name="robots"][content=?]', 'noindex,follow,noarchive'
   end
 
   def test_lost_password_for_active_user_should_create_a_token
@@ -524,6 +527,7 @@ class AccountControllerTest < Redmine::ControllerTest
     assert_response :success
 
     assert_select 'input[type=hidden][name=token][value=?]', token.value
+    assert_select 'head>meta[name="robots"][content=?]', 'noindex,follow,noarchive'
   end
 
   def test_get_lost_password_with_invalid_token_should_redirect