diff --git a/unit_tests/engine/test_rule_loader.cpp b/unit_tests/engine/test_rule_loader.cpp
index 28366020..5a3a5b44 100644
--- a/unit_tests/engine/test_rule_loader.cpp
+++ b/unit_tests/engine/test_rule_loader.cpp
@@ -15,9 +15,9 @@ protected:
 		// create a falco engine ready to load the ruleset
 		m_inspector.reset(new sinsp());
 		m_engine.reset(new falco_engine());
-		m_filter_factory = std::shared_ptr<gen_event_filter_factory>(
+		m_filter_factory = std::shared_ptr<sinsp_filter_factory>(
 			new sinsp_filter_factory(m_inspector.get(), m_filterlist));
-		m_formatter_factory = std::shared_ptr<gen_event_formatter_factory>(
+		m_formatter_factory = std::shared_ptr<sinsp_evt_formatter_factory>(
 			new sinsp_evt_formatter_factory(m_inspector.get(), m_filterlist));
 		m_engine->add_source(m_sample_source, m_filter_factory, m_formatter_factory);
 	}
@@ -107,8 +107,8 @@ protected:
 	std::string m_sample_ruleset;
 	std::string m_sample_source;
 	sinsp_filter_check_list m_filterlist;
-	std::shared_ptr<gen_event_filter_factory> m_filter_factory;
-	std::shared_ptr<gen_event_formatter_factory> m_formatter_factory;
+	std::shared_ptr<sinsp_filter_factory> m_filter_factory;
+	std::shared_ptr<sinsp_evt_formatter_factory> m_formatter_factory;
 	std::unique_ptr<falco_engine> m_engine;
 	std::unique_ptr<falco::load_result> m_load_result;
 	std::string m_load_result_string;