diff --git a/libservice/headers/service/Aggregator.h b/libservice/headers/service/Aggregator.h
index 85095241..a2a747cc 100644
--- a/libservice/headers/service/Aggregator.h
+++ b/libservice/headers/service/Aggregator.h
@@ -47,13 +47,14 @@ class Aggregator {
 private:
 	using ServiceKey = std::pair<uint32_t, std::string>;
 	using ServiceStorage = std::unordered_map<ServiceKey, Service>;
+	using ServicesList = std::vector<std::reference_wrapper<Service>>;
 
 public:
 	Aggregator(const service::IpAddressChecker& ipChecker);
 
 	void clear();
 	void newRequest(const httpparser::HttpRequest& request, const DiscoverySessionMeta& meta);
-	std::vector<std::reference_wrapper<Service>> collectServices();
+	ServicesList collectServices();
 
 private:
 	const IpAddressChecker& ipChecker;
diff --git a/libservice/src/Aggregator.cpp b/libservice/src/Aggregator.cpp
index 1052b28f..e565a571 100644
--- a/libservice/src/Aggregator.cpp
+++ b/libservice/src/Aggregator.cpp
@@ -122,8 +122,8 @@ void Aggregator::newRequest(const httpparser::HttpRequest& request, const Discov
 	services[key] = std::move(newService);
 }
 
-std::vector<std::reference_wrapper<Service>> Aggregator::collectServices() {
-	std::vector<std::reference_wrapper<Service>> servicesVec;
+ServicesList Aggregator::collectServices() {
+	ServicesList servicesVec;
 	servicesVec.reserve(services.size());
 
 	for (auto& pair : services) {