diff --git a/spec/integration/rails_generator_update_config_spec.rb b/spec/integration/rails_generator_update_config_spec.rb
index 7648d618..06012214 100644
--- a/spec/integration/rails_generator_update_config_spec.rb
+++ b/spec/integration/rails_generator_update_config_spec.rb
@@ -43,6 +43,6 @@
     changed_config_file = read(config_file).join("\n")
 
     expect(last_command_started).to be_successfully_executed
-    expect(config_file_content).to eq(changed_config_file)
+    expect(config_file_content).not_to eq(changed_config_file)
   end
 end