diff --git a/lib/mosaik/arguments.rb b/lib/mosaik/arguments.rb
index 5e7236b..31b3999 100644
--- a/lib/mosaik/arguments.rb
+++ b/lib/mosaik/arguments.rb
@@ -20,7 +20,7 @@ module Arguments
 
       def initialize(options, *command_args)
         # Initialize options with default values
-        @options = options.merge(self.class.options.dup)
+        @options = self.class.options.merge(options)
 
         # Parse command arguments
         self.class.parser.parse!(command_args, into: @options)
diff --git a/spec/mosaik/commands/extract_spec.rb b/spec/mosaik/commands/extract_spec.rb
index a3814cf..c52df1f 100644
--- a/spec/mosaik/commands/extract_spec.rb
+++ b/spec/mosaik/commands/extract_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 RSpec.describe MOSAIK::Commands::Extract do
-  subject(:command) { build(:extract_command, arguments:) }
+  subject(:command) { build(:extract_command, options:, arguments:) }
 
   let(:options) { { file: "README.md" } }
   let(:arguments) { [] }