diff --git a/.gitignore b/.gitignore
index c83d889..700982e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,7 @@ lib/oga/css/parser.rb
 lib/liboga.*
 
 benchmark/fixtures/big.xml
+benchmark/fixtures/kaf.xml
 
 profile/samples/xml/*.txt
 profile/samples/xml/*/*.txt
diff --git a/benchmark/benchmark_helper.rb b/benchmark/benchmark_helper.rb
index fc1c117..2570374 100644
--- a/benchmark/benchmark_helper.rb
+++ b/benchmark/benchmark_helper.rb
@@ -5,29 +5,27 @@ require 'benchmark/ips'
 
 require_relative '../lib/oga'
 
-##
-# Returns a File instance pointing to the sample XML file.
-#
 # @return [File]
-#
 def big_xml_file
-  return File.open(File.expand_path('../fixtures/big.xml', __FILE__), 'r')
+  File.open(File.expand_path('../fixtures/big.xml', __FILE__), 'r')
+end
+
+# @return [File]
+def big_kaf_file
+  File.open(File.expand_path('../fixtures/kaf.xml', __FILE__), 'r')
 end
 
-##
-# Reads a big XML file and returns it as a String.
-#
 # @return [String]
-#
 def read_big_xml
-  return big_xml_file.read
+  big_xml_file.read
+end
+
+# @return [String]
+def read_big_kaf
+  big_kaf_file.read
 end
 
-##
-# Reads a normal sized HTML fixture.
-#
 # @return [String]
-#
 def read_html
   return File.read(File.expand_path('../fixtures/with_entities.html', __FILE__))
 end
diff --git a/benchmark/fixtures/kaf.xml.gz b/benchmark/fixtures/kaf.xml.gz
new file mode 100644
index 0000000..be3ff25
Binary files /dev/null and b/benchmark/fixtures/kaf.xml.gz differ
diff --git a/task/fixtures.rake b/task/fixtures.rake
index 9fb368e..8bbba67 100644
--- a/task/fixtures.rake
+++ b/task/fixtures.rake
@@ -3,4 +3,4 @@ rule '.xml' => '.xml.gz' do |task|
 end
 
 desc 'Generates large XML fixtures'
-task :fixtures => ['benchmark/fixtures/big.xml']
+task :fixtures => ['benchmark/fixtures/big.xml', 'benchmark/fixtures/kaf.xml']