diff --git a/pkg/metrics/get_billable_from_github.go b/pkg/metrics/get_billable_from_github.go
index 23f2fc8..744fada 100644
--- a/pkg/metrics/get_billable_from_github.go
+++ b/pkg/metrics/get_billable_from_github.go
@@ -26,6 +26,8 @@ var (
 // getBillableFromGithub - return billable informations for MACOS, WINDOWS and UBUNTU runners.
 func getBillableFromGithub() {
 	for {
+		workflowBillGauge.Reset()
+
 		for _, repo := range repositories {
 			for k, v := range workflows[repo] {
 				r := strings.Split(repo, "/")
diff --git a/pkg/metrics/get_runners_from_github.go b/pkg/metrics/get_runners_from_github.go
index f0b2260..bc5ab45 100644
--- a/pkg/metrics/get_runners_from_github.go
+++ b/pkg/metrics/get_runners_from_github.go
@@ -51,6 +51,8 @@ func getAllRepoRunners(owner string, repo string) []*github.Runner {
 // getRunnersFromGithub - return information about runners and their status for a specific repo
 func getRunnersFromGithub() {
 	for {
+		runnersGauge.Reset()
+
 		for _, repo := range repositories {
 			r := strings.Split(repo, "/")
 
diff --git a/pkg/metrics/get_workflow_runs_from_github.go b/pkg/metrics/get_workflow_runs_from_github.go
index 4e376f1..e47c4d0 100644
--- a/pkg/metrics/get_workflow_runs_from_github.go
+++ b/pkg/metrics/get_workflow_runs_from_github.go
@@ -106,6 +106,9 @@ func getRunUsage(owner string, repo string, runId int64) *github.WorkflowRunUsag
 // getWorkflowRunsFromGithub - return informations and status about a workflow
 func getWorkflowRunsFromGithub() {
 	for {
+		workflowRunStatusGauge.Reset()
+		workflowRunDurationGauge.Reset()
+
 		for _, repo := range repositories {
 			r := strings.Split(repo, "/")
 			runs := getRecentWorkflowRuns(r[0], r[1])
diff --git a/pkg/server/server.go b/pkg/server/server.go
index c99a0be..3989d48 100644
--- a/pkg/server/server.go
+++ b/pkg/server/server.go
@@ -2,6 +2,7 @@ package server
 
 import (
 	"log"
+	"net"
 	"strconv"
 
 	"github.com/fasthttp/router"
@@ -30,6 +31,7 @@ func RunServer(ctx *cli.Context) error {
 		r.GET("/debug/pprof/{profile}", pprofHandlerIndex)
 	}
 
-	log.Print("exporter listening on 0.0.0.0:" + strconv.Itoa(config.Port))
-	return fasthttp.ListenAndServe(":"+strconv.Itoa(config.Port), r.Handler)
+	log.Print("exporter listening on 0.0.0.0::" + strconv.Itoa(config.Port))
+	ln, _ := net.Listen("tcp", ":"+strconv.Itoa(config.Port))
+	return fasthttp.Serve(ln, r.Handler)
 }