diff --git a/Lib.Driver/Xml/XmlButton.cs b/Lib.Driver/Xml/XmlButton.cs
index 56fd204..76b3db6 100644
--- a/Lib.Driver/Xml/XmlButton.cs
+++ b/Lib.Driver/Xml/XmlButton.cs
@@ -14,5 +14,8 @@ namespace Lib.Driver.Xml
         
         [XmlAttribute("Note")]
         public int NoteNumber { get; set; }
+        
+        [XmlAttribute("Controller")]
+        public byte Controller { get; set; }
     }
 }
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