diff --git a/salt/soc/soc_soc.yaml b/salt/soc/soc_soc.yaml
index 48fef3dfb..cac8c91d6 100644
--- a/salt/soc/soc_soc.yaml
+++ b/salt/soc/soc_soc.yaml
@@ -150,8 +150,8 @@ soc:
         uiElements:
         - field: id
           label: Unique Subgrid ID
-          regex: "^(?!\s*all\s*$).*$"
-          regexFailureMessage: Subgrid ID cannot be named 'all'
+          regex: "^_.*$"
+          regexFailureMessage: Subgrid ID cannot start with an underscore
           required: true
         - field: managerUrl
           label: Subgrid Manager URL