diff --git a/app/controllers/training_controller.rb b/app/controllers/training_controller.rb
index dd0b1cc9ea..569ca835ed 100644
--- a/app/controllers/training_controller.rb
+++ b/app/controllers/training_controller.rb
@@ -63,8 +63,8 @@ def find_slide
     training_slide = TrainingSlide.find(params[:slide_id])
     training_module = training_slide.find_module_by_slug
     raise ActionController::RoutingError, 'module not found' unless training_module
-    # Use the specific training library for the module, or a default library if it is not found
-    training_library = training_module.find_library_by_slug || TrainingLibrary.first
+    # Use a specific training library for the module, or a default library if it is not found
+    training_library = training_module.find_or_default_library
     redirect_to "/training/#{training_library.slug}/#{training_module.slug}/#{training_slide.slug}"
   end
 
diff --git a/app/controllers/training_modules_controller.rb b/app/controllers/training_modules_controller.rb
index 4962407199..f7677658a7 100644
--- a/app/controllers/training_modules_controller.rb
+++ b/app/controllers/training_modules_controller.rb
@@ -14,8 +14,8 @@ def show
 
   def find
     training_module = TrainingModule.find(params[:module_id])
-    # Use the specific training library for the module, or a default library if it is not found
-    training_library = training_module.find_library_by_slug || TrainingLibrary.first
+    # Use a specific training library for the module, or a default library if it is not found
+    training_library = training_module.find_or_default_library
     redirect_to "/training/#{training_library.slug}/#{training_module.slug}"
   end
 end
diff --git a/app/models/training_module.rb b/app/models/training_module.rb
index ad99b2f533..e6280a50bf 100644
--- a/app/models/training_module.rb
+++ b/app/models/training_module.rb
@@ -159,5 +159,11 @@ def find_library_by_slug
     TrainingLibrary.all.detect { |tl| tl.training_module_slugs.include? slug }
   end
 
+  # Returns a specific training library for the module,
+  # or a default library if it is not found.
+  def find_or_default_library
+    find_library_by_slug || TrainingLibrary.first
+  end
+
   class ModuleNotFound < StandardError; end
 end