diff --git a/lib/colorls/git.rb b/lib/colorls/git.rb
index 3b2102b..cf3f75d 100644
--- a/lib/colorls/git.rb
+++ b/lib/colorls/git.rb
@@ -52,7 +52,7 @@ module ColorLS
 
       def git_prefix(repo_path)
         [
-          IO.popen(['git', '-C', repo_path, 'rev-parse', '--show-prefix'], err: :close, &:gets)&.chomp,
+          IO.popen(['git', '-C', repo_path, 'rev-parse', '--show-prefix'], err: File::NULL, &:gets)&.chomp,
           $CHILD_STATUS.success?
         ]
       rescue Errno::ENOENT
diff --git a/spec/color_ls/git_spec.rb b/spec/color_ls/git_spec.rb
index 317971e..65ee927 100644
--- a/spec/color_ls/git_spec.rb
+++ b/spec/color_ls/git_spec.rb
@@ -39,4 +39,10 @@ RSpec.describe ColorLS::Git do
       expect(subject.status('/repo/')).to include('subdir' => Set['M', 'D'])
     end
   end
+
+  context 'determining the git status' do
+    it 'does not output to stderr' do
+      expect { subject.status('.') }.not_to output.to_stderr
+    end
+  end
 end