--- a/scripts/plot/__plt2sv__.m
+++ b/scripts/plot/__plt2sv__.m
@@ -50,9 +50,17 @@
       if (isempty (color))
 	color = __next_line_color__ ();
       endif
-      retval(i) = line (x, y(i), "keylabel", tkey, "color", color,
-			"linestyle", options(i).linestyle,
-			"marker", options(i).marker, properties{:});
+
+      hg = hggroup ();
+      retval(i) = hg;
+      args = __add_datasource__ ("__plt2sv__", hg, {"x", "y", "z"}, 
+				 properties{:});
+
+      h = line (x, y(i), "keylabel", tkey, "color", color,
+		"linestyle", options(i).linestyle,
+		"marker", options(i).marker, "parent", hg, args{:});
+
+      __add_line_series__ (h, hg);
     endfor
   else
     error ("__plt2sv__: first arg must be scalar, second arg must be vector");