diff --git a/internal/collector/collector.go b/internal/collector/collector.go
index d76d0cc..ef91108 100644
--- a/internal/collector/collector.go
+++ b/internal/collector/collector.go
@@ -126,6 +126,7 @@ type NetatmoCollector struct {
 	cachedData          *netatmo.DeviceCollection
 }
 
+// Describe implements prometheus.Collector
 func (c *NetatmoCollector) Describe(dChan chan<- *prometheus.Desc) {
 	dChan <- updatedDesc
 	dChan <- tempDesc
@@ -133,6 +134,7 @@ func (c *NetatmoCollector) Describe(dChan chan<- *prometheus.Desc) {
 	dChan <- cotwoDesc
 }
 
+// Collect implements prometheus.Collector
 func (c *NetatmoCollector) Collect(mChan chan<- prometheus.Metric) {
 	now := time.Now()
 	if now.Sub(c.lastRefresh) >= c.RefreshInterval {
diff --git a/internal/config/config.go b/internal/config/config.go
index 5bc9fa7..2a76a41 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -30,7 +30,7 @@ const (
 	flagNetatmoPassword     = "password"
 
 	defaultRefreshInterval = 8 * time.Minute
-	defaultStaleDuration   = 30 * time.Minute
+	defaultStaleDuration   = 60 * time.Minute
 )
 
 var (