diff --git a/bin/benchmark-full b/bin/benchmark-full
index 9ad22e5..b82b07c 100755
--- a/bin/benchmark-full
+++ b/bin/benchmark-full
@@ -66,9 +66,10 @@ module Morandi
         log "  #{image_processor}:"
 
         stats = Hash.new { |hash, key| hash[key] = [] }
+        output_image_path = "#{input_image_path}-#{image_processor}-output.jpg"
         cmd = ['bundle', 'exec',
                '/usr/bin/time', '--format', TIME_FORMAT_PARSEABLE,
-               'bin/process-single', input_image_path, image_processor, options.to_json]
+               'bin/process-single', input_image_path, image_processor, output_image_path, options.to_json]
 
         ITERATIONS_PER_IMAGE.times do |_i|
           stdout_str, _status = Open3.capture2e(*cmd)
diff --git a/bin/process-single b/bin/process-single
index 1b51dc4..8dd5435 100755
--- a/bin/process-single
+++ b/bin/process-single
@@ -11,9 +11,9 @@ require 'morandi'
 
 input_file_path = ARGV[0]
 processor = ARGV[1]
-options_json = ARGV[2]
+output_file_path = ARGV[2]
+options_json = ARGV[3]
 
 options = options_json ? JSON.parse(options_json) : { 'straighten' => 0.5, 'gamma' => 0.85 }
-output_path = "#{input_file_path}-#{processor}-output.jpg"
 
-Morandi.process(input_file_path, options, output_path, 'processor' => processor)
+Morandi.process(input_file_path, options, output_file_path, 'processor' => processor)