diff --git a/subduction/interface/gmm-tree.json b/subduction/interface/gmm-tree.json
index 840daa539cd184657ad66e935206a752e021e607..516acca24b92e353cbfaf710cfb9eca19ffab348 100644
--- a/subduction/interface/gmm-tree.json
+++ b/subduction/interface/gmm-tree.json
@@ -1,5 +1,5 @@
 [
-  { "id": "AM_09_INTERFACE_BASIN", "weight": 0.3333 },
+  { "id": "AM_09_INTERFACE_BASIN_CONUS_2018", "weight": 0.3333 },
   { "id": "BCHYDRO_12_INTERFACE_BASIN", "weight": 0.3334 },
   { "id": "ZHAO_06_INTERFACE_BASIN", "weight": 0.3333 }
 ]