diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/signals_mapping.json b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/signals_mapping.json
index cd1d655e45a24..96868e62ea978 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/signals_mapping.json
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/signals_mapping.json
@@ -334,6 +334,9 @@
           "status": {
             "type": "keyword"
           },
+          "threshold_count": {
+            "type": "float"
+          },
           "threshold_result": {
             "properties": {
               "count": {