1 files changed, 1 insertions, 1 deletions

diff --git a/collector/supervisord.go b/collector/supervisord.go
index 33f3b8a..6a6b909 100644
--- a/collector/supervisord.go
+++ b/collector/supervisord.go
@@ -134,7 +134,7 @@ func (c *supervisordCollector) Update(ch chan<- prometheus.Metric) error {
 
         res, err := xrpc.Call("supervisor.getAllProcessInfo")
         if err != nil {
-                return fmt.Errorf("unable to call supervisord: %s", err)
+                return fmt.Errorf("unable to call supervisord: %w", err)
         }
 
         for _, p := range res.(xmlrpc.Array) {