diff --git a/lib/redmine_custom_workflows/patches/group_patch.rb b/lib/redmine_custom_workflows/patches/group_patch.rb
index ca3e8f6..464e6df 100644
--- a/lib/redmine_custom_workflows/patches/group_patch.rb
+++ b/lib/redmine_custom_workflows/patches/group_patch.rb
@@ -44,7 +44,7 @@ module RedmineCustomWorkflows
                                                  lambda { |group, user| Group.users_callback(observable, group, user) }
                                                end
           end
-        end if CustomWorkflow.table_exists?
+        end
       end
 
       module InstanceMethods