diff --git a/app/controllers/avo/application_controller.rb b/app/controllers/avo/application_controller.rb
index 7d7431134f..b3f2823692 100644
--- a/app/controllers/avo/application_controller.rb
+++ b/app/controllers/avo/application_controller.rb
@@ -226,7 +226,7 @@ def related_resource
 
       return field.use_resource if field&.use_resource.present?
 
-      reflection = @model._reflections[params[:related_name]]
+      reflection = @model.class.reflections[params[:related_name]]
 
       reflected_model = reflection.klass
 
diff --git a/app/controllers/avo/associations_controller.rb b/app/controllers/avo/associations_controller.rb
index 698b9a2597..b96fb19c72 100644
--- a/app/controllers/avo/associations_controller.rb
+++ b/app/controllers/avo/associations_controller.rb
@@ -101,7 +101,7 @@ def order
     private
 
     def set_reflection
-      @reflection = @model._reflections[params[:related_name].to_s]
+      @reflection = @model.class.reflections[params[:related_name].to_s]
     end
 
     def set_attachment_class
@@ -127,7 +127,7 @@ def attachment_id
     end
 
     def reflection_class
-      reflection = @model._reflections[params[:related_name]]
+      reflection = @model.class.reflections[params[:related_name]]
 
       klass = reflection.class.name.demodulize.to_s
       klass = reflection.through_reflection.class.name.demodulize.to_s if klass == "ThroughReflection"
diff --git a/app/controllers/avo/base_controller.rb b/app/controllers/avo/base_controller.rb
index 4e26e87171..f5ff7a9fa5 100644
--- a/app/controllers/avo/base_controller.rb
+++ b/app/controllers/avo/base_controller.rb
@@ -134,7 +134,7 @@ def create
 
       # This means that the record has been created through another parent record and we need to attach it somehow.
       if params[:via_resource_id].present? && params[:via_belongs_to_resource_class].nil?
-        @reflection = @model._reflections[params[:via_relation]]
+        @reflection = @model.class.reflections[params[:via_relation]]
         # Figure out what kind of association does the record have with the parent record
 
         # Fills in the required infor for belongs_to and has_many