diff --git a/docs/config/watch.md b/docs/config/watch.md
index 58ba16b..8fd2359 100644
--- a/docs/config/watch.md
+++ b/docs/config/watch.md
@@ -30,7 +30,10 @@ Maximum number of workers that will execute tasks concurrently. (default `10`)
 
 ### `schedule`
 
-[CRON expression](https://godoc.org/github.com/robfig/cron#hdr-CRON_Expression_Format) to schedule Diun watcher. (default `0 * * * *`)
+[CRON expression](https://godoc.org/github.com/robfig/cron#hdr-CRON_Expression_Format) to schedule Diun.
+
+!!! warning
+  Remove this setting if you want to run Diun directly.
 
 !!! example "Config file"
     ```yaml
diff --git a/internal/app/diun.go b/internal/app/diun.go
index 28edb72..0e18047 100644
--- a/internal/app/diun.go
+++ b/internal/app/diun.go
@@ -91,7 +91,10 @@ func (di *Diun) Start() error {
 	// Run on startup
 	di.Run()
 
-	// Init scheduler
+	// Init scheduler if defined
+	if len(di.cfg.Watch.Schedule) == 0 {
+		return nil
+	}
 	di.jobID, err = di.cron.AddJob(di.cfg.Watch.Schedule, di)
 	if err != nil {
 		return err
diff --git a/internal/model/watch.go b/internal/model/watch.go
index 5269ee7..5f98f04 100644
--- a/internal/model/watch.go
+++ b/internal/model/watch.go
@@ -7,7 +7,7 @@ import (
 // Watch holds data necessary for watch configuration
 type Watch struct {
 	Workers         int           `yaml:"workers,omitempty" json:"workers,omitempty" validate:"required,min=1"`
-	Schedule        string        `yaml:"schedule,omitempty" json:"schedule,omitempty" validate:"required"`
+	Schedule        string        `yaml:"schedule,omitempty" json:"schedule,omitempty"`
 	FirstCheckNotif *bool         `yaml:"firstCheckNotif,omitempty" json:"firstCheckNotif,omitempty" validate:"required"`
 	CompareDigest   *bool         `yaml:"compareDigest,omitempty" json:"compareDigest,omitempty" validate:"required"`
 	Healthchecks    *Healthchecks `yaml:"healthchecks,omitempty" json:"healthchecks,omitempty"`
@@ -23,7 +23,6 @@ func (s *Watch) GetDefaults() *Watch {
 // SetDefaults sets the default values
 func (s *Watch) SetDefaults() {
 	s.Workers = 10
-	s.Schedule = "0 * * * *"
 	s.FirstCheckNotif = utl.NewFalse()
 	s.CompareDigest = utl.NewTrue()
 }