diff --git a/metrics/middleware.go b/metrics/middleware.go
index bbb8ddd..18c9953 100644
--- a/metrics/middleware.go
+++ b/metrics/middleware.go
@@ -1,8 +1,8 @@
 package metrics
 
 import (
-	"fmt"
 	"net/http"
+	"strconv"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -58,7 +58,7 @@ func (mm MetricsMiddleware) Handle(c *gin.Context) {
 	start := time.Now()
 	c.Next()
 
-	status := fmt.Sprintf("%d", c.Writer.Status())
+	status := strconv.Itoa(c.Writer.Status())
 	endpoint := c.FullPath()
 	method := c.Request.Method