diff --git a/lib/mediainfo.rb b/lib/mediainfo.rb
index 51f6d7a..796a25a 100644
--- a/lib/mediainfo.rb
+++ b/lib/mediainfo.rb
@@ -514,7 +514,8 @@ def inspect
 
   private
   def mediainfo!
-    @last_command = "#{path} #{@escaped_full_filename} --Output=XML"
+    output_format = mediainfo_version > '17.0.0' ? 'OLDXML' : 'XML'
+    @last_command = "#{path} #{@escaped_full_filename} --Output=#{output_format}"
     run_command!
   end