diff --git a/salt/soc/merged.map.jinja b/salt/soc/merged.map.jinja
index 4c301fa9d..1d9946a05 100644
--- a/salt/soc/merged.map.jinja
+++ b/salt/soc/merged.map.jinja
@@ -70,7 +70,7 @@
 
 {# Define the Detections custom ruleset that should always be present #}
 {% set CUSTOM_RULESET = {
-  'name': 'custom',
+  'name': '__custom__',
   'description': 'User-created custom rules created via the Detections module in the SOC UI',
   'sourceType': 'elasticsearch',
   'sourcePath': 'so_detection.ruleset:__custom__',