diff --git a/config/locales/de.yml b/config/locales/de.yml
index 7390e4832a..88c66fdafa 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -203,3 +203,6 @@ de:
   x_entries:
     one: "1 Eintrag"
     other: "%{count} Einträge"
+
+  js:
+    text_are_you_sure: "Sind Sie sicher?"
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 8bb43824f1..7ff28c9260 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -203,3 +203,6 @@ en:
   x_entries:
     one: "1 Entry"
     other: "%{count} Entries"
+
+  js:
+    text_are_you_sure: "Are you sure?"
diff --git a/features/cost_types/deletion.feature b/features/cost_types/deletion.feature
index 2fc120db61..823d39bb49 100644
--- a/features/cost_types/deletion.feature
+++ b/features/cost_types/deletion.feature
@@ -36,3 +36,10 @@ Feature: Cost type deletion
 
     Then the cost type "cost_type1" should be listed as deleted on the index page
 
+  @javascript
+  Scenario: Click on the "delete" link for a cost type
+    When I go to the index page of cost types
+
+    Then I expect to click "OK" on a confirmation box saying "Are you sure?"
+    And I click the delete link for the cost type "cost_type1"
+    And the confirmation box should have been displayed
diff --git a/features/step_definitions/cost_type_steps.rb b/features/step_definitions/cost_type_steps.rb
index 6c23d9b840..93f6aa0be2 100644
--- a/features/step_definitions/cost_type_steps.rb
+++ b/features/step_definitions/cost_type_steps.rb
@@ -47,6 +47,29 @@ When(/^I delete the cost type "(.*?)"$/) do |name|
   end
 end
 
+When(/^I click the delete link for the cost type "(.*?)"$/) do |name|
+  ct = CostType.find_by_name name
+
+  within ("#delete_cost_type_#{ct.id}") do
+    find('a.submit_cost_type').click
+  end
+end
+
+When /^I expect to click "([^"]*)" on a confirmation box saying "([^"]*)"$/ do |option, message|
+  retval = (option == 'OK') ? 'true' : 'false'
+  page.evaluate_script("window.confirm = function (msg) {
+    document.cookie = msg
+    return #{retval}
+  }")
+  @expected_message = message.gsub("\\n", "\n")
+end
+
+When /^the confirmation box should have been displayed$/ do
+  assert page.evaluate_script('document.cookie').include?(@expected_message),
+         "Expected confirm box with message: '#{@expected_message}'" +
+             " got: '#{page.evaluate_script('document.cookie')}'"
+end
+
 Then(/^the cost type "(.*?)" should not be listed on the index page$/) do |name|
 
   if has_css?(".cost_types")