diff --git a/main.go b/main.go
index c24359a..1c1f9cd 100644
--- a/main.go
+++ b/main.go
@@ -13,6 +13,7 @@ import (
 	"os"
 	"regexp"
 	"runtime"
+	"strconv"
 	"strings"
 	"sync/atomic"
 	"syscall"
@@ -326,6 +327,20 @@ func requestPerMinute() {
 	}
 }
 
+var tx uint64
+
+func blockCheckerCalc(p *procfs.Proc) {
+	var last uint64
+	for {
+		time.Sleep(1 * time.Second)
+		// p.NetDev should never fail.
+		stat, _ := p.NetDev()
+		current := stat.Total().TxBytes
+		tx = current - last
+		last = current
+	}
+}
+
 // Detects if a backend has been blocked based on the amount of bandwidth
 // reported by procfs.
 // This may be the best way to detect if the IP has been blocked from googlevideo
@@ -333,7 +348,7 @@ func requestPerMinute() {
 // returns, which most of the time is 403 (Forbidden). But this error code is not
 // exclusive to IP blocks, it's also returned for other reasons like a wrong
 // query parameter like `pot` (po_token) or anything like that.
-func blockChecker(gh string) {
+func blockChecker(gh string, cooldown int) {
 	log.Println("[INFO] Starting blockchecker")
 	// Sleep for 60 seconds before commencing the loop
 	time.Sleep(60 * time.Second)
@@ -345,15 +360,11 @@ func blockChecker(gh string) {
 		log.Println("[INFO] Blockchecker will not run, so if the VPN IP used on gluetun gets blocked, it will not be rotated!")
 		return
 	}
+	go blockCheckerCalc(&p)
 
-	var last uint64
 	for {
-		time.Sleep(1 * time.Second)
-		// p.NetDev should never fail.
-		stat, _ := p.NetDev()
-		current := stat.Total().TxBytes
-		aux := current - last
-		if float64(aux)*0.000008 < 2.0 {
+		time.Sleep(time.Duration(cooldown) * time.Second)
+		if float64(tx)*0.000008 < 2.0 {
 			body := "{\"status\":\"stopped\"}\""
 			// This should never fail too
 			request, _ := http.NewRequest("PUT", url, strings.NewReader(body))
@@ -364,7 +375,6 @@ func blockChecker(gh string) {
 				log.Printf("[INFO] Request to change IP sent to gluetun successfully")
 			}
 		}
-		last = current
 	}
 }
 
@@ -544,11 +554,11 @@ func main() {
 	go requestPerSecond()
 	go requestPerMinute()
 	if bc {
-		// num, err := strconv.Atoi(bc_cooldown)
-		// if err != nil {
-		// 	log.Fatalf("[FATAL] Error while setting BLOCK_CHECKER_COOLDOWN: %s", err)
-		// }
-		go blockChecker(gh)
+		num, err := strconv.Atoi(bc_cooldown)
+		if err != nil {
+			log.Fatalf("[FATAL] Error while setting BLOCK_CHECKER_COOLDOWN: %s", err)
+		}
+		go blockChecker(gh, num)
 	}
 
 	ln, err := net.Listen("tcp", host+":"+port)