diff --git a/elastic/logs/templates/component/track-custom-mappings.json b/elastic/logs/templates/component/track-custom-mappings.json
index ecb92030..65ac8bee 100644
--- a/elastic/logs/templates/component/track-custom-mappings.json
+++ b/elastic/logs/templates/component/track-custom-mappings.json
@@ -1,14 +1,6 @@
 {
   "template" : {
     "mappings" : {
-      "runtime": {
-        "rally.doc_size": {
-          "type": "long"
-        },
-        "rally.message_size": {
-          "type": "long"
-        }
-      },
       "properties" : {
         "event": {
           "properties": {
@@ -21,6 +13,16 @@
               "format": "strict_date_optional_time"
             }
           }
+        },
+        "rally": {
+          "properties" : {
+            "doc_size": {
+              "type": "long"
+            },
+            "message_size": {
+              "type": "long"
+            }
+          }
         }
       }
     }