diff --git a/revid/revid.go b/revid/revid.go
index 25a48854..8c202901 100644
--- a/revid/revid.go
+++ b/revid/revid.go
@@ -497,7 +497,7 @@ func (r *Revid) Update(vars map[string]string) error {
 			r.config.BurstPeriod = uint(v)
 		}
 	}
-	r.config.Logger.Log(logger.Info, pkg+"revid config changed", "config", fmt.Sprint("%+v", r.config))
+	r.config.Logger.Log(logger.Info, pkg+"revid config changed", "config", fmt.Sprintf("%+v", r.config))
 	return r.reset(r.config)
 }