app/models/promotion.rb in spree_promo-0.70.3 vs app/models/promotion.rb in spree_promo-0.70.4

@@ -10,11 +10,11 @@
 
   [:usage_limit, :match_policy, :code, :advertise].each do |field|
     alias_method field, "preferred_#{field}"
     alias_method "#{field}=", "preferred_#{field}="
   end
-  
+
   has_many :promotion_rules, :foreign_key => 'activator_id', :autosave => true, :dependent => :destroy
   alias_method :rules, :promotion_rules
   accepts_nested_attributes_for :promotion_rules
 
   has_many :promotion_actions, :foreign_key => 'activator_id', :autosave => true, :dependent => :destroy
@@ -85,10 +85,10 @@
   def usage_limit_exceeded?
     preferred_usage_limit.present? && preferred_usage_limit > 0 && credits_count >= preferred_usage_limit
   end
 
   def credits
-    Adjustment.where(:originator_id => actions.map(&:id))
+    Adjustment.where(:originator_type => 'Promotion', :originator_id => actions.map(&:id))
   end
 
   def credits_count
     credits.count
   end