diff --git a/subduction/slab/gmm-tree.json b/subduction/slab/gmm-tree.json
index a086f2fce3f93f3607d9e558bf48391106cd24ae..dba1b68809841fc15032b9ff19929ddd67be8098 100644
--- a/subduction/slab/gmm-tree.json
+++ b/subduction/slab/gmm-tree.json
@@ -1,5 +1,5 @@
 [
   { "id": "AG_20_GLOBAL_SLAB", "weight": 0.3333 },
   { "id": "KBCG_20_GLOBAL_SLAB", "weight": 0.3333 },
-  { "id": "PSBAH_20_GLOBAL_SLAB", "weight": 0.3334 }
+  { "id": "PSBAH_20_ALASKA_SLAB", "weight": 0.3334 }
 ]