diff --git a/salt/elasticsearch/templates/component/so/detection-mappings.json b/salt/elasticsearch/templates/component/so/detection-mappings.json
index 9b68421e7..105a0ead2 100644
--- a/salt/elasticsearch/templates/component/so/detection-mappings.json
+++ b/salt/elasticsearch/templates/component/so/detection-mappings.json
@@ -30,7 +30,8 @@
               "type": "keyword"
             },
             "author": {
-              "type": "text"
+              "ignore_above": 1024,
+              "type": "keyword"
             },
             "description": {
               "type": "text"