diff --git a/app/models/concerns/tiny_mce_images.rb b/app/models/concerns/tiny_mce_images.rb
index f2958dcfb..217c2359c 100644
--- a/app/models/concerns/tiny_mce_images.rb
+++ b/app/models/concerns/tiny_mce_images.rb
@@ -169,11 +169,10 @@ module TinyMceImages
       # so they get stored as files instead of directly in the text
 
       object_field = Extends::RICH_TEXT_FIELD_MAPPINGS[self.class.name]
+      return unless object_field
 
       text = public_send(object_field)
 
-      return unless text
-
       ActiveRecord::Base.transaction do
         text.scan(/src="(data:image\/[^;]+;base64[^"]+)"/i).flatten.each do |base64_src|
           base64_data = base64_src.split('base64,').last
diff --git a/app/models/step.rb b/app/models/step.rb
index f2b417525..344416d79 100644
--- a/app/models/step.rb
+++ b/app/models/step.rb
@@ -1,6 +1,7 @@
 class Step < ApplicationRecord
   include SearchableModel
   include SearchableByNameModel
+  include TinyMceImages
   include ViewableModel
 
   attr_accessor :skip_position_adjust # to be used in bulk deletion