diff --git a/unit_tests/falco/app/actions/test_configure_interesting_sets.cpp b/unit_tests/falco/app/actions/test_configure_interesting_sets.cpp
index 5dfbd5aa..9fba18db 100644
--- a/unit_tests/falco/app/actions/test_configure_interesting_sets.cpp
+++ b/unit_tests/falco/app/actions/test_configure_interesting_sets.cpp
@@ -101,7 +101,7 @@ TEST(ConfigureInterestingSets, engine_codes_syscalls_set)
 	auto rules_event_set = engine->event_codes_for_ruleset(s_sample_source);
 	auto rules_event_names = libsinsp::events::event_set_to_names(rules_event_set);
 	ASSERT_NAMES_EQ(rules_event_names, strset_t({
-		"connect", "accept", "accept4", "umount2", "open", "ptrace", "mmap", "execve", "read", "container"}));
+		"connect", "accept", "accept4", "umount2", "open", "ptrace", "mmap", "execve", "read", "container", "asyncevent"}));
 
 	// test if sc code names were extracted from each rule in test ruleset.
 	// note, this is not supposed to contain "container", as that's an event
@@ -161,7 +161,7 @@ TEST(ConfigureInterestingSets, engine_codes_nonsyscalls_set)
 	auto generic_names = libsinsp::events::event_set_to_names({ppm_event_code::PPME_GENERIC_E});
 	auto expected_names = strset_t({
 		"connect", "accept", "accept4", "umount2", "open", "ptrace", "mmap", "execve", "read", "container", // ruleset
-		"procexit", "switch", "pluginevent"}); // from non-syscall event filters
+		"procexit", "switch", "pluginevent", "asyncevent"}); // from non-syscall event filters
 	expected_names.insert(generic_names.begin(), generic_names.end());
 	ASSERT_NAMES_EQ(rules_event_names, expected_names);
 
diff --git a/userspace/engine/evttype_index_ruleset.cpp b/userspace/engine/evttype_index_ruleset.cpp
index 645e1408..5666e5b8 100644
--- a/userspace/engine/evttype_index_ruleset.cpp
+++ b/userspace/engine/evttype_index_ruleset.cpp
@@ -178,6 +178,7 @@ void evttype_index_ruleset::add(
 			wrap->sc_codes = { };
 			wrap->event_codes = { ppm_event_code::PPME_PLUGINEVENT_E };
 		}
+		wrap->event_codes.insert(ppm_event_code::PPME_ASYNCEVENT_E);
 		m_filters.insert(wrap);
 	}
 	catch (const sinsp_exception& e)
diff --git a/userspace/engine/rule_loader_compiler.cpp b/userspace/engine/rule_loader_compiler.cpp
index 47dec22a..d6fc5ac3 100644
--- a/userspace/engine/rule_loader_compiler.cpp
+++ b/userspace/engine/rule_loader_compiler.cpp
@@ -495,12 +495,11 @@ void rule_loader::compiler::compile_rule_infos(
 		}
 
 		// populate set of event types and emit an special warning
-		libsinsp::events::set<ppm_event_code> evttypes = { ppm_event_code::PPME_PLUGINEVENT_E };
 		if(rule.source == falco_common::syscall_source)
 		{
-			evttypes = libsinsp::filter::ast::ppm_event_codes(ast.get());
-			if ((evttypes.empty() || evttypes.size() > 100)
-			    && r.warn_evttypes)
+			auto evttypes = libsinsp::filter::ast::ppm_event_codes(ast.get());
+			evttypes.insert(ppm_event_code::PPME_ASYNCEVENT_E);
+			if ((evttypes.empty() || evttypes.size() > 100) && r.warn_evttypes)
 			{
 				cfg.res->add_warning(
 					falco::load_result::load_result::LOAD_NO_EVTTYPE,