diff --git a/lib/flickwerk.rb b/lib/flickwerk.rb
index bcdf750..b42a901 100644
--- a/lib/flickwerk.rb
+++ b/lib/flickwerk.rb
@@ -9,6 +9,7 @@ class Error < StandardError; end
 
   mattr_accessor :patch_paths, default: []
   mattr_accessor :patches, default: Hash.new([])
+  mattr_accessor :aliases, default: {}
 
   def self.included(engine)
     engine.root.glob("app/patches/*").each do |path|
@@ -17,6 +18,7 @@ def self.included(engine)
   end
 
   def self.patch(class_name, with:)
-    patches[class_name] += [with]
+    klass_name = aliases[class_name] || class_name
+    patches[klass_name] += [with]
   end
 end
diff --git a/lib/flickwerk/railtie.rb b/lib/flickwerk/railtie.rb
index 9005e77..9a3a7ea 100644
--- a/lib/flickwerk/railtie.rb
+++ b/lib/flickwerk/railtie.rb
@@ -10,13 +10,17 @@ class Flickwerk::Railtie < Rails::Railtie
     end
   end
 
-  initializer "flickwerk.find_patches", after: :setup_main_autoloader do
-    Flickwerk.patch_paths.each do |path|
-      Flickwerk::PatchFinder.new(path).call
+  initializer "flickwerk.find_patches" do |app|
+    app.config.to_prepare do
+      Flickwerk.patch_paths.each do |path|
+        Flickwerk::PatchFinder.new(path).call
+      end
     end
   end
 
-  initializer "flickwerk.add_patches", after: "flickwerk.find_patches" do
-    Flickwerk::PatchLoader.call
+  initializer "flickwerk.add_patches", after: "flickwerk.find_patches" do |app|
+    app.config.to_prepare do
+      Flickwerk::PatchLoader.call
+    end
   end
 end
diff --git a/test/dummy_app/app/models/ui/button.rb b/test/dummy_app/app/models/ui/button.rb
new file mode 100644
index 0000000..703735f
--- /dev/null
+++ b/test/dummy_app/app/models/ui/button.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module UI
+  class Button
+    def click
+      "Button clicked!"
+    end
+  end
+end
diff --git a/test/dummy_app/app/patches/models/user_patch.rb b/test/dummy_app/app/patches/models/user_patch.rb
index 71380ca..8492c73 100644
--- a/test/dummy_app/app/patches/models/user_patch.rb
+++ b/test/dummy_app/app/patches/models/user_patch.rb
@@ -7,5 +7,5 @@ def age
     26
   end
 
-  User.prepend(self)
+  DummyApp.user_class.prepend(self)
 end
diff --git a/test/dummy_app/config/application.rb b/test/dummy_app/config/application.rb
index 704fc73..fdaf3d7 100644
--- a/test/dummy_app/config/application.rb
+++ b/test/dummy_app/config/application.rb
@@ -2,9 +2,14 @@
 require "flickwerk/railtie"
 
 module DummyApp
+  def self.user_class
+    User
+  end
+
   class Application < ::Rails::Application
     config.root = File.expand_path("../", __dir__)
     include Flickwerk
+    Flickwerk.aliases["DummyApp.user_class"] = "User"
     config.autoload_paths << File.expand_path("../app/models", __dir__)
 
     config.load_defaults("#{Rails::VERSION::MAJOR}.#{Rails::VERSION::MINOR}")
diff --git a/test/dummy_app/config/initializers/inflections.rb b/test/dummy_app/config/initializers/inflections.rb
new file mode 100644
index 0000000..852db56
--- /dev/null
+++ b/test/dummy_app/config/initializers/inflections.rb
@@ -0,0 +1,3 @@
+# frozen_string_literal: true
+
+ActiveSupport::Inflector.inflections { |inflect| inflect.acronym "UI" }
diff --git a/test/test_flickwerk.rb b/test/test_flickwerk.rb
index e12c310..f547c72 100644
--- a/test/test_flickwerk.rb
+++ b/test/test_flickwerk.rb
@@ -61,4 +61,12 @@ def boot
     Flickwerk.patch("User", with: "UserPatch")
     assert_equal ["UserPatch"], Flickwerk.patches["User"]
   end
+
+  test "acronyms still work" do
+    boot
+
+    assert UI::Button
+    assert UI::Button.new.respond_to?(:click)
+    assert_equal "Button clicked!", UI::Button.new.click
+  end
 end