diff --git a/lib/workflow_copier.rb b/lib/workflow_copier.rb
index 931326b79..7ab5d79bd 100644
--- a/lib/workflow_copier.rb
+++ b/lib/workflow_copier.rb
@@ -10,13 +10,17 @@ class WorkflowCopier
     finished_at
   ].freeze
 
+  INCLUDE_ASSOCIATIONS = [
+    :attached_images
+  ].freeze
+
   def self.copy_by_id(workflow_id, target_project_id)
     source_workflow = Workflow.find(workflow_id)
     copy(source_workflow, target_project_id)
   end
 
   def self.copy(source_workflow, target_project_id)
-    copied_workflow = source_workflow.deep_clone(except: EXCLUDE_ATTRIBUTES)
+    copied_workflow = source_workflow.deep_clone(except: EXCLUDE_ATTRIBUTES, include: INCLUDE_ASSOCIATIONS)
     copied_workflow.project_id = target_project_id
     copied_workflow.active = false
     copied_workflow.display_name = "#{copied_workflow.display_name} (copy: #{Time.now.utc})"
diff --git a/spec/lib/workflow_copier_spec.rb b/spec/lib/workflow_copier_spec.rb
index 8e52e765e..76b38e082 100644
--- a/spec/lib/workflow_copier_spec.rb
+++ b/spec/lib/workflow_copier_spec.rb
@@ -38,6 +38,12 @@
       end
     end
 
+    it 'copies the attached_images' do
+      create(:medium, type: 'workflow_attached_image', linked: workflow)
+      expect(copied_workflow.attached_images.count).to eq(workflow.attached_images.count)
+      expect(copied_workflow.attached_images[0]).to be_valid
+    end
+
     it 'sets the workflow to inactive to avoid releasing these on live projects' do
       expect(copied_workflow.active).to be(false)
     end