diff --git a/guide/cpu-utilization.go b/guide/cpu-utilization.go
index 21b28bc..514279c 100644
--- a/guide/cpu-utilization.go
+++ b/guide/cpu-utilization.go
@@ -9,7 +9,8 @@ import (
 )
 
 func main() {
-	pprof.StartCPUProfile(os.Stdout)
+	file, _ := os.Create("./cpu-utilization.pprof")
+	pprof.StartCPUProfile(file)
 	defer pprof.StopCPUProfile()
 
 	go cpuHog()
diff --git a/guide/cpu-utilization.pprof b/guide/cpu-utilization.pprof
index 03bb5fb..44f3033 100644
Binary files a/guide/cpu-utilization.pprof and b/guide/cpu-utilization.pprof differ