diff --git a/src/plugins/janus_duktape.c b/src/plugins/janus_duktape.c
index d56f1d6ed2..abfe0d74cd 100644
--- a/src/plugins/janus_duktape.c
+++ b/src/plugins/janus_duktape.c
@@ -413,6 +413,7 @@ static void *janus_duktape_async_event_helper(void *data) {
 	g_free(asev->transaction);
 	janus_refcount_decrease(&asev->session->ref);
 	g_free(asev);
+	g_thread_unref(g_thread_self());
 	return NULL;
 }
 
diff --git a/src/plugins/janus_lua.c b/src/plugins/janus_lua.c
index e8f47a1068..3e2ddf4521 100644
--- a/src/plugins/janus_lua.c
+++ b/src/plugins/janus_lua.c
@@ -413,6 +413,7 @@ static void *janus_lua_async_event_helper(void *data) {
 	g_free(asev->transaction);
 	janus_refcount_decrease(&asev->session->ref);
 	g_free(asev);
+	g_thread_unref(g_thread_self());
 	return NULL;
 }