1 files changed, 1 insertions, 1 deletions

diff --git a/collector/powersupplyclass.go b/collector/powersupplyclass.go
index 309b08c..adebf0e 100644
--- a/collector/powersupplyclass.go
+++ b/collector/powersupplyclass.go
@@ -59,7 +59,7 @@ func (c *powerSupplyClassCollector) Update(ch chan<- prometheus.Metric) error {
                 if errors.Is(err, os.ErrNotExist) {
                         return ErrNoData
                 }
-                return fmt.Errorf("could not get power_supply class info: %s", err)
+                return fmt.Errorf("could not get power_supply class info: %w", err)
         }
         for _, powerSupply := range powerSupplyClass {