diff --git a/lib/Voyeur/converter.rb b/lib/Voyeur/converter.rb
index 7dd4f9f..403cab6 100644
--- a/lib/Voyeur/converter.rb
+++ b/lib/Voyeur/converter.rb
@@ -47,7 +47,7 @@ def call_external_converter
       command = "ffmpeg -y -i #{@input_media.filename} #{self.convert_options} #{@output_media.filename}"
       out, err = ""
 
-      status = Open4::popen4(command) do |pid, stdin, stdout, stderr|
+      OPEN4::popen4(command) do |pid, stdin, stdout, stderr|
         err = ''
         out = ''
         stderr.each("r") do |line|
@@ -58,9 +58,9 @@ def call_external_converter
         end
       end
 
-      error_message = err.split('\n').last
+      error_message = err.split("\n").last
 
-      @status = { status: status.exitstatus, stdout: out, stderr: err,
+      @status = { status: $?.exitstatus, stdout: out, stderr: err,
                   error_message: error_message, media: @output_media }
       return @status
     end
diff --git a/lib/Voyeur/media.rb b/lib/Voyeur/media.rb
index 838c99f..5173469 100644
--- a/lib/Voyeur/media.rb
+++ b/lib/Voyeur/media.rb
@@ -10,7 +10,7 @@ def initialize(options)
 
     def get_info
       output = ''
-      status = Open4::popen4("ffmpeg -i #{@filename}") do |pid, stdin, stdout, stderr|
+      OPEN4::popen4("ffmpeg -i #{@filename}") do |pid, stdin, stdout, stderr|
         output = stderr.read.strip
       end
       @raw_duration = $1 if output =~ /Duration: (\d+:\d+:\d+.\d+)/
diff --git a/lib/voyeur.rb b/lib/voyeur.rb
index afb07fb..aa5ea14 100644
--- a/lib/voyeur.rb
+++ b/lib/voyeur.rb
@@ -10,3 +10,7 @@
 require "Voyeur/audio_converters/ogg"
 require "Voyeur/media_time"
 require 'open4'
+
+module Voyeur
+  OPEN4 = RUBY_PLATFORM =~ /java/ ? IO : Open4
+end