diff --git a/app/assets/javascripts/app/controllers/_ui_element/ticket_selector.coffee b/app/assets/javascripts/app/controllers/_ui_element/ticket_selector.coffee
index 5a4b0d18e..f3f111779 100644
--- a/app/assets/javascripts/app/controllers/_ui_element/ticket_selector.coffee
+++ b/app/assets/javascripts/app/controllers/_ui_element/ticket_selector.coffee
@@ -369,9 +369,11 @@ class App.UiElement.ticket_selector
       if config.relation is 'User'
         config.multiple = false
         config.nulloption = false
+        config.guess = false
       if config.relation is 'Organization'
         config.multiple = false
         config.nulloption = false
+        config.guess = false
       if config.tag is 'checkbox'
         config.tag = 'select'
       tagSearch = "#{config.tag}_search"