diff --git a/plugin/api/gateway/instance.go b/plugin/api/gateway/instance.go
index 0a35e718..b6a828b5 100644
--- a/plugin/api/gateway/instance.go
+++ b/plugin/api/gateway/instance.go
@@ -454,7 +454,7 @@ func (h *GatewayAPI) getExecutionNodes(w http.ResponseWriter, req *http.Request,
 		h.WriteError(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
-	var nodes []util.MapStr
+	var nodes = []util.MapStr{}
 	for _, hit := range searchRes.Hits.Hits {
 		var (
 			endpoint string