diff --git a/definitions/grib2/templates/template.4.generalised_tile.def b/definitions/grib2/templates/template.4.generalised_tile.def
index 5eb4be333..6dc43dd19 100644
--- a/definitions/grib2/templates/template.4.generalised_tile.def
+++ b/definitions/grib2/templates/template.4.generalised_tile.def
@@ -42,5 +42,5 @@ alias tile.nTileAtt=nTileAtt;
 alias mars.tile=typeOfTile;
 alias mars.tileattribute=tileAttribute;
 constant paramTypeTile = "tile";
-unalias mars.paramtype;
-alias mars.paramtype=paramTypeTile;
+# unalias paramtype;
+alias paramtype=paramTypeTile;