diff --git a/stat.go b/stat.go
index 593ad0f6..b4e81b39 100644
--- a/stat.go
+++ b/stat.go
@@ -178,7 +178,7 @@ func (fs FS) Stat() (Stat, error) {
 	return procStat, nil
 }
 
-// parseStat parses the metrics from /proc/[pid]/stat.
+// parseStat parses the metrics from /proc/stat.
 func parseStat(r io.Reader, fileName string) (Stat, error) {
 	var (
 		scanner = bufio.NewScanner(r)
@@ -194,7 +194,7 @@ func parseStat(r io.Reader, fileName string) (Stat, error) {
 
 	for scanner.Scan() {
 		line := scanner.Text()
-		parts := strings.Fields(scanner.Text())
+		parts := strings.Fields(line)
 		// require at least <key> <value>
 		if len(parts) < 2 {
 			continue