diff --git a/cmd/gotop/main.go b/cmd/gotop/main.go
index 3a33535..94f03a8 100644
--- a/cmd/gotop/main.go
+++ b/cmd/gotop/main.go
@@ -77,6 +77,7 @@ func parseArgs() error {
 	opflag.BoolVarP(&conf.Mbps, "mbps", "", conf.Mbps, tr.Value("args.mbps"))
 	opflag.BoolVar(&conf.Test, "test", conf.Test, tr.Value("args.test"))
 	opflag.StringP("", "C", "", tr.Value("args.conffile"))
+	opflag.BoolVarP(&conf.Nvidia, "nvidia", "", conf.Nvidia, "Enable NVidia GPU support")
 	list := opflag.String("list", "", tr.Value("args.list"))
 	wc := opflag.Bool("write-config", false, tr.Value("args.write"))
 	opflag.SortFlags = false
@@ -139,6 +140,9 @@ func parseArgs() error {
 		}
 		os.Exit(0)
 	}
+	if conf.Nvidia {
+		conf.ExtensionVars["nvidia"] = "true"
+	}
 	if *wc {
 		path, err := conf.Write()
 		if err != nil {
diff --git a/config.go b/config.go
index b483f65..30c76db 100644
--- a/config.go
+++ b/config.go
@@ -16,10 +16,10 @@ import (
 	"strings"
 	"time"
 
-	"github.com/xxxserxxx/lingo"
 	"github.com/shibukawa/configdir"
 	"github.com/xxxserxxx/gotop/v4/colorschemes"
 	"github.com/xxxserxxx/gotop/v4/widgets"
+	"github.com/xxxserxxx/lingo"
 )
 
 // CONFFILE is the name of the default config file
@@ -45,6 +45,8 @@ type Config struct {
 	ExtensionVars        map[string]string
 	ConfigFile           string
 	Tr                   lingo.Translations
+	Nvidia               bool
+	NvidiaRefresh        time.Duration
 }
 
 func NewConfig() Config {
@@ -179,6 +181,12 @@ func load(in io.Reader, conf *Config) error {
 			conf.Mbps = true
 		case temperatures:
 			conf.Temps = strings.Split(kv[1], ",")
+		case nvidia:
+			nv, err := strconv.ParseBool(kv[1])
+			if err != nil {
+				return fmt.Errorf(conf.Tr.Value("config.err.line", ln, err.Error()))
+			}
+			conf.Nvidia = nv
 		}
 	}
 
@@ -252,6 +260,10 @@ func marshal(c *Config) []byte {
 		fmt.Fprint(buff, "#")
 	}
 	fmt.Fprintf(buff, "%s=%s\n", temperatures, strings.Join(c.Temps, ","))
+	fmt.Fprintln(buff, "# Enable NVidia GPU metrics.")
+	fmt.Fprintf(buff, "%s=%t\n", nvidia, c.Nvidia)
+	fmt.Fprintln(buff, "# To configure the NVidia refresh rate, set a duration:")
+	fmt.Fprintln(buff, "#nvidiarefresh=30s")
 	return buff.Bytes()
 }
 
@@ -270,4 +282,5 @@ const (
 	export               = "metricsexportport"
 	mbps                 = "mbps"
 	temperatures         = "temperatures"
+	nvidia               = "nvidia"
 )
diff --git a/devices/nvidia.go b/devices/nvidia.go
index 0e50dba..8f4b21e 100644
--- a/devices/nvidia.go
+++ b/devices/nvidia.go
@@ -9,8 +9,6 @@ import (
 	"strconv"
 	"sync"
 	"time"
-
-	"github.com/xxxserxxx/opflag"
 )
 
 // Set up variables and register this plug-in with the main code.
@@ -27,7 +25,6 @@ import (
 // tool periodically and puts the results into hashes; the update functions
 // then just sync data from those hashes into the return data.
 func init() {
-	opflag.BoolVarP(&nvidia, "nvidia", "", false, "Enable NVidia GPU support")
 	RegisterStartup(startNVidia)
 }
 
@@ -73,7 +70,7 @@ func updateNvidiaUsage(cpus map[string]int, _ bool) map[string]error {
 // `nvidia-refresh` arg, which is expected to be a time.Duration value and
 // sets how frequently the nvidia tool is called to refresh the date.
 func startNVidia(vars map[string]string) error {
-	if !nvidia {
+	if vars["nvidia"] != "true" {
 		return nil
 	}
 	_, err := exec.Command("nvidia-smi", "-L").Output()
@@ -180,5 +177,3 @@ func update() {
 		}
 	}
 }
-
-var nvidia bool
diff --git a/translations/dicts/de_DE.toml b/translations/dicts/de_DE.toml
index 1e52d2d..4c1fc4e 100644
--- a/translations/dicts/de_DE.toml
+++ b/translations/dicts/de_DE.toml
@@ -87,6 +87,8 @@ export="Aktivieren Sie Metriken für den Export auf dem angegebenen Port."
 mbps="Netzwerkrate als MBit / s anzeigen."
 test="Führt Tests aus und beendet das Programm mit Erfolgs- / Fehlercode."
 conffile="Konfigurationsdatei, die anstelle der Standardeinstellung verwendet werden soll (MUSS DAS ERSTE ARGUMENT SEIN)"
+nvidia="Aktivieren Sie die NVidia-GPU-Metriken"
+nvidiarefresh="Frequenz aktualisieren. Die meisten Zeiteinheiten werden akzeptiert."
 list="""
 List <devices|layouts|colorschemes|paths|keys|langs>
    devices: Druckt Gerätenamen für filterbare Widgets aus
diff --git a/translations/dicts/en_US.toml b/translations/dicts/en_US.toml
index cb0f8ed..476556b 100644
--- a/translations/dicts/en_US.toml
+++ b/translations/dicts/en_US.toml
@@ -87,6 +87,8 @@ export="Enable metrics for export on the specified port."
 mbps="Show network rate as mbps."
 test="Runs tests and exits with success/failure code."
 conffile="Config file to use instead of default (MUST BE FIRST ARGUMENT)"
+nvidia="Enable NVidia GPU metrics"
+nvidiarefresh="Refresh frequency. Most time units accepted."
 # TRANSLATORS: Please don't translate the **labels** ("devices", "layouts") as they don't change in the code.
 list="""
 List <devices|layouts|colorschemes|paths|keys|langs>
diff --git a/translations/dicts/eo.toml b/translations/dicts/eo.toml
index 5bfbb69..dfde1f5 100644
--- a/translations/dicts/eo.toml
+++ b/translations/dicts/eo.toml
@@ -87,6 +87,8 @@ export="Ebligu metrikojn por eksportado en la specifita haveno."
 mbps="Montri reta takson kiel mbps."
 test="Ekzekutas testojn kaj forirojn kun sukceso / fiaska kodo."
 conffile="Agordi dosiero por uzi anstataŭ defaŭlte (DEVAS ESTI UNUA ARGUMENTO)"
+nvidia="Ebligu NVidia GPU-metrikojn"
+nvidiarefresh="Refreŝigi oftecon. Plej multaj tempunuoj akceptis."
 # TRANSLATORS: Please don't translate the list entries
 list="""
 List <devices|layouts|colorschemes|paths|keys|langs>
diff --git a/translations/dicts/fr.toml b/translations/dicts/fr.toml
index e6a3f87..35d724a 100644
--- a/translations/dicts/fr.toml
+++ b/translations/dicts/fr.toml
@@ -87,6 +87,8 @@ export="Activer l'export des mesures sur le port indiqué."
 mbps="Montrer le débit réseau en mbps."
 test="Lancer les tests et sortir avec le code de succès ou d'échec."
 conffile="Fichier de configuration à utiliser au lieu du fichier par défaut (DOIT ÊTRE PASSÉ EN PREMIER)"
+nvidia="Activer les métriques GPU NVidia"
+nvidiarefresh="Rafraîchir la fréquence. La plupart des unités de temps sont acceptées."
 # TRANSLATORS: Please don't translate the **labels** ("devices", "layouts") as they don't change in the code.
 list="""
 Énumérer <devices|layouts|colorschemes|paths|keys|langs>
diff --git a/translations/dicts/tt_TT.toml b/translations/dicts/tt_TT.toml
index 05e7dc2..f83cb8f 100644
--- a/translations/dicts/tt_TT.toml
+++ b/translations/dicts/tt_TT.toml
@@ -86,6 +86,8 @@ export=".trop deificeps eht no tropxe rof scirtem elbanE"
 mbps=".spbm sa etar krowten wohS"
 test=".edoc eruliaf/sseccus htiw stixe dna stset snuR"
 conffile=")TNEMUGRA TSRIF EB TSUM( tluafed fo daetsni esu ot elif gifnoC"
+nvidia="scirtem UPG aidiVN elbanE"
+nvidiarefresh=".detpecca stinu emit tsoM .ycneuqerf hserfeR"
 list="""
 >snart|syek|shtap|semehcsroloc|stuoyal|secived< tsiL
 stegdiw elbaretlif rof seman ecived tuo stnirP :secived   
diff --git a/translations/dicts/zh_CN.toml b/translations/dicts/zh_CN.toml
index e42499f..d9de273 100644
--- a/translations/dicts/zh_CN.toml
+++ b/translations/dicts/zh_CN.toml
@@ -87,6 +87,8 @@ export="在指定端口上启用指标输出。"
 mbps="显示网速为 mbps。"
 test="执行测试并返回成功或失败码。"
 conffile="用于替代缺省参数的配置文件（必须是第一个参数）"
+nvidia="启用NVidia GPU指标"
+nvidiarefresh="刷新频率。接受了大多数时间单位。"
 list="""
 列出 <devices|layouts|colorschemes|paths|keys|langs>
    devices: 显示可用于过滤的设备名