diff --git a/tools/nats_caller.go b/tools/nats_caller.go
index cbff343..edbc542 100644
--- a/tools/nats_caller.go
+++ b/tools/nats_caller.go
@@ -56,7 +56,7 @@ func NewNATSCaller() *natsCaller {
 
 // on workflows' scheduling. Messages must contain
 // workflow execution ID, to allow retrieval of execution infos
-func (s *natsCaller) ListenNats(chanName string, execs map[NATSMethod]func(map[string]string)) {
+func (s *natsCaller) ListenNats(execs map[NATSMethod]func(map[string]string)) {
 	log := logs.GetLogger()
 	if config.GetConfig().NATSUrl == "" {
 		log.Error().Msg(" -> NATS_SERVER is not set")