1 files changed, 1 insertions, 1 deletions

diff --git a/collector/entropy_linux.go b/collector/entropy_linux.go
index e68eb95..3c42c3d 100644
--- a/collector/entropy_linux.go
+++ b/collector/entropy_linux.go
@@ -46,7 +46,7 @@ func NewEntropyCollector(logger log.Logger) (Collector, error) {
 func (c *entropyCollector) Update(ch chan<- prometheus.Metric) error {
         value, err := readUintFromFile(procFilePath("sys/kernel/random/entropy_avail"))
         if err != nil {
-                return fmt.Errorf("couldn't get entropy_avail: %s", err)
+                return fmt.Errorf("couldn't get entropy_avail: %w", err)
         }
         ch <- prometheus.MustNewConstMetric(
                 c.entropyAvail, prometheus.GaugeValue, float64(value))