diff --git a/process/process_freebsd.go b/process/process_freebsd.go
index d5fc62d..fd98a8c 100644
--- a/process/process_freebsd.go
+++ b/process/process_freebsd.go
@@ -7,6 +7,7 @@ import (
 	"context"
 	"encoding/binary"
 	"os/exec"
+	"strconv"
 	"strings"
 
 	cpu "github.com/shirou/gopsutil/cpu"