diff --git a/internal/app/cmd/daemon.go b/internal/app/cmd/daemon.go
index a2a3974..f381b36 100644
--- a/internal/app/cmd/daemon.go
+++ b/internal/app/cmd/daemon.go
@@ -45,6 +45,8 @@ func runDaemon(ctx context.Context, configFile *string) func(cmd *cobra.Command,
 			return fmt.Errorf("failed to load registration file: %w", err)
 		}
 
+		cfg.Tune(reg.Address)
+
 		lbls := reg.Labels
 		if len(cfg.Runner.Labels) > 0 {
 			lbls = cfg.Runner.Labels
diff --git a/internal/pkg/config/config.go b/internal/pkg/config/config.go
index f0b12fd..540c82a 100644
--- a/internal/pkg/config/config.go
+++ b/internal/pkg/config/config.go
@@ -68,6 +68,16 @@ type Config struct {
 	Host      Host      `yaml:"host"`      // Host represents the configuration for the host.
 }
 
+// Tune the config settings accordingly to the Forgejo instance that will be used.
+func (c *Config) Tune(instanceURL string) {
+	if instanceURL == "https://codeberg.org" {
+		if c.Runner.FetchInterval < 30*time.Second {
+			log.Info("The runner is configured to be used by a public instance, fetch interval is set to 30 seconds.")
+			c.Runner.FetchInterval = 30 * time.Second
+		}
+	}
+}
+
 // LoadDefault returns the default configuration.
 // If file is not empty, it will be used to load the configuration.
 func LoadDefault(file string) (*Config, error) {
diff --git a/internal/pkg/config/config_test.go b/internal/pkg/config/config_test.go
new file mode 100644
index 0000000..d2ddf2f
--- /dev/null
+++ b/internal/pkg/config/config_test.go
@@ -0,0 +1,37 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package config
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestConfigTune(t *testing.T) {
+	c := &Config{
+		Runner: Runner{},
+	}
+
+	t.Run("Public instance tuning", func(t *testing.T) {
+		c.Runner.FetchInterval = 60 * time.Second
+		c.Tune("https://codeberg.org")
+		assert.EqualValues(t, 60*time.Second, c.Runner.FetchInterval)
+
+		c.Runner.FetchInterval = 2 * time.Second
+		c.Tune("https://codeberg.org")
+		assert.EqualValues(t, 30*time.Second, c.Runner.FetchInterval)
+	})
+
+	t.Run("Non-public instance tuning", func(t *testing.T) {
+		c.Runner.FetchInterval = 60 * time.Second
+		c.Tune("https://example.com")
+		assert.EqualValues(t, 60*time.Second, c.Runner.FetchInterval)
+
+		c.Runner.FetchInterval = 2 * time.Second
+		c.Tune("https://codeberg.com")
+		assert.EqualValues(t, 2*time.Second, c.Runner.FetchInterval)
+	})
+}