diff --git a/fast/stages/00-bootstrap/main.tf b/fast/stages/00-bootstrap/main.tf
index b8f165c7bd..839019f3cf 100644
--- a/fast/stages/00-bootstrap/main.tf
+++ b/fast/stages/00-bootstrap/main.tf
@@ -16,8 +16,8 @@
 
 locals {
   gcs_storage_class = (
-    length(split("-", var.locations.gcs)) > 1
-    ? "MULTI-REGIONAL"
+    length(split("-", var.locations.gcs)) < 2
+    ? "MULTI_REGIONAL"
     : "REGIONAL"
   )
   groups = {
diff --git a/fast/stages/01-resman/main.tf b/fast/stages/01-resman/main.tf
index 1dd40594fd..f50832c787 100644
--- a/fast/stages/01-resman/main.tf
+++ b/fast/stages/01-resman/main.tf
@@ -67,8 +67,8 @@ locals {
   }
   custom_roles = coalesce(var.custom_roles, {})
   gcs_storage_class = (
-    length(split("-", var.locations.gcs)) > 1
-    ? "MULTI-REGIONAL"
+    length(split("-", var.locations.gcs)) < 2
+    ? "MULTI_REGIONAL"
     : "REGIONAL"
   )
   groups = {