diff --git a/app/assets/javascripts/app/controllers/_application_controller.js.coffee b/app/assets/javascripts/app/controllers/_application_controller.js.coffee
index 1483b5ab0..300c98377 100644
--- a/app/assets/javascripts/app/controllers/_application_controller.js.coffee
+++ b/app/assets/javascripts/app/controllers/_application_controller.js.coffee
@@ -554,6 +554,7 @@ class App.ControllerModal extends App.Controller
       backdrop: true
       keyboard: true
       close:    true
+      large:    false
       head:     '?'
       buttonClass: 'btn--success'
       centerButtons: []
@@ -562,6 +563,8 @@ class App.ControllerModal extends App.Controller
 
     options = _.extend( defaults, options )
 
+    @className += ' modal--large' if options.large
+
     super(options)
 
     if @shown
diff --git a/app/assets/stylesheets/zammad.css.scss b/app/assets/stylesheets/zammad.css.scss
index 30581eae4..ce6df973a 100644
--- a/app/assets/stylesheets/zammad.css.scss
+++ b/app/assets/stylesheets/zammad.css.scss
@@ -4514,6 +4514,9 @@ footer {
   margin-top: 35px;
   margin-bottom: 35px;
 }
+.modal--large .modal-dialog {
+  max-width: 740px;
+}
 .modal-dialog.wizard {
   max-width: 460px;
 }