diff --git a/cmd/collectors/rest/rest.go b/cmd/collectors/rest/rest.go
index 73a2aa5fc..70592aa54 100644
--- a/cmd/collectors/rest/rest.go
+++ b/cmd/collectors/rest/rest.go
@@ -246,7 +246,7 @@ func (r *Rest) PollData() (*matrix.Matrix, error) {
 		return nil, errors.New(errors.ERR_NO_INSTANCE, "no "+r.Object+" instances on cluster")
 	}
 
-	r.Logger.Debug().Msgf("extracted %s [%s] instances", numRecords.Str, r.Object)
+	r.Logger.Debug().Msgf("extracted %s [%s] instances", numRecords.String(), r.Object)
 
 	results[1].ForEach(func(key, instanceData gjson.Result) bool {
 		var (