1 files changed, 2 insertions, 2 deletions

diff --git a/collector/filefd_linux.go b/collector/filefd_linux.go
index f8d3fce..450c4e3 100644
--- a/collector/filefd_linux.go
+++ b/collector/filefd_linux.go
@@ -46,12 +46,12 @@ func NewFileFDStatCollector(logger log.Logger) (Collector, error) {
 func (c *fileFDStatCollector) Update(ch chan<- prometheus.Metric) error {
         fileFDStat, err := parseFileFDStats(procFilePath("sys/fs/file-nr"))
         if err != nil {
-                return fmt.Errorf("couldn't get file-nr: %s", err)
+                return fmt.Errorf("couldn't get file-nr: %w", err)
         }
         for name, value := range fileFDStat {
                 v, err := strconv.ParseFloat(value, 64)
                 if err != nil {
-                        return fmt.Errorf("invalid value %s in file-nr: %s", value, err)
+                        return fmt.Errorf("invalid value %s in file-nr: %w", value, err)
                 }
                 ch <- prometheus.MustNewConstMetric(
                         prometheus.NewDesc(