diff --git a/spec/support/pageflow/dummy/app.rb b/spec/support/pageflow/dummy/app.rb
index b52ce1e5f5..8f752ce479 100644
--- a/spec/support/pageflow/dummy/app.rb
+++ b/spec/support/pageflow/dummy/app.rb
@@ -18,7 +18,6 @@ def generate
         end
 
         require(File.join(ENV['RAILS_ROOT'], 'config', 'environment'))
-        require('pageflow/dummy/config/pageflow')
       end
 
       def directory
diff --git a/spec/support/pageflow/dummy/config/pageflow.rb b/spec/support/pageflow/dummy/config/pageflow.rb
index 256d25b32f..c1a4d7f057 100644
--- a/spec/support/pageflow/dummy/config/pageflow.rb
+++ b/spec/support/pageflow/dummy/config/pageflow.rb
@@ -14,6 +14,3 @@
     }
   end
 end
-
-# Reconstruct current config to ensure config block above is used
-Pageflow.configure!
diff --git a/spec/support/pageflow/dummy/rails_template.rb b/spec/support/pageflow/dummy/rails_template.rb
index dbf6847607..00d02dc9d1 100644
--- a/spec/support/pageflow/dummy/rails_template.rb
+++ b/spec/support/pageflow/dummy/rails_template.rb
@@ -69,6 +69,12 @@ def source_paths
   ActiveAdmin.application.load_paths.unshift(Dir[Rails.root.join('app/admin')].first)\n
 END
 
+# Adapt default configuration
+
+inject_into_file('config/initializers/pageflow.rb',
+                 "require 'pageflow/dummy/config/pageflow'\n",
+                 after: "Pageflow.finalize!\n")
+
 # Add required files for test theme
 
 copy_file('test_theme.scss',