diff --git a/src/Matrix.h b/src/Matrix.h
index c9a9875..9cd73ab 100755
--- a/src/Matrix.h
+++ b/src/Matrix.h
@@ -134,6 +134,7 @@ public:
   JSFUNC(Release)
 
   JSFUNC(Subtract)
+  JSFUNC(Compare)
   /*
    static Handle<Value> Val(const Arguments& info);
    static Handle<Value> RowRange(const Arguments& info);