diff --git a/lib/pry/cli.rb b/lib/pry/cli.rb
index 781c2dbe..8e31788e 100644
--- a/lib/pry/cli.rb
+++ b/lib/pry/cli.rb
@@ -55,7 +55,7 @@ class Pry
         self.option_processors = nil
       end
 
-      def parse_options(args=ARGV.dup)
+      def parse_options(args=ARGV)
         unless options
           raise NoOptionsError, "No command line options defined! Use Pry::CLI.add_options to add command line options."
         end
diff --git a/spec/cli_spec.rb b/spec/cli_spec.rb
index cb30eb5e..0ce1019e 100644
--- a/spec/cli_spec.rb
+++ b/spec/cli_spec.rb
@@ -9,6 +9,16 @@ describe Pry::Hooks do
     it 'should raise if no options defined' do
       lambda { Pry::CLI.parse_options(["--nothing"]) }.should.raise Pry::CLI::NoOptionsError
     end
+
+    it "should remove args from ARGV by default" do
+      ARGV << '-v'
+      Pry::CLI.add_options do
+        on :v, "Display the Pry version" do
+          # irrelevant
+        end
+      end.parse_options
+      ARGV.include?('-v').should == false
+    end
   end
 
   describe "adding options" do