diff --git a/internal/config/config.go b/internal/config/config.go
index e9e82aa..e9f986b 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -12,6 +12,12 @@ import (
 	"sneak.berlin/go/pixa/internal/logger"
 )
 
+// Default configuration values.
+const (
+	DefaultPort     = 8080
+	DefaultStateDir = "./data"
+)
+
 // ConfigParams defines dependencies for Config.
 type ConfigParams struct {
 	fx.In
@@ -68,8 +74,8 @@ func New(lc fx.Lifecycle, params ConfigParams) (*Config, error) {
 	c := &Config{
 		Debug:           getBool(sc, "debug", false),
 		MaintenanceMode: getBool(sc, "maintenance_mode", false),
-		Port:            getInt(sc, "port", 8080),
-		StateDir:        getString(sc, "state_dir", "./data"),
+		Port:            getInt(sc, "port", DefaultPort),
+		StateDir:        getString(sc, "state_dir", DefaultStateDir),
 		SentryDSN:       getString(sc, "sentry_dsn", ""),
 		MetricsUsername: getString(sc, "metrics.username", ""),
 		MetricsPassword: getString(sc, "metrics.password", ""),