diff --git a/src/output-json-flow.c b/src/output-json-flow.c
index cf65c51da2..e2d7c1b5c2 100644
--- a/src/output-json-flow.c
+++ b/src/output-json-flow.c
@@ -261,6 +261,8 @@ static void JsonFlowLogJSON(JsonFlowLogThread *aft, json_t *js, Flow *f)
     json_object_set_new(hjs, "reason",
             json_string(reason));
 
+    json_object_set_new(hjs, "alerted", json_boolean(FlowHasAlerts(f)));
+
     json_object_set_new(js, "flow", hjs);