diff --git a/config.go b/config.go
index 263206b..d9e9a3e 100644
--- a/config.go
+++ b/config.go
@@ -18,6 +18,7 @@ type hcloudConfig struct {
 
 type flatcarConfig struct {
 	InstallScript   string `toml:"install_script"`
+	InstallArgs     string `toml:"install_args"`
 	Version         string
 	ConfigTemplate  string            `toml:"config_template"`
 	TemplateStatic  map[string]string `toml:"template_static"`
diff --git a/main.go b/main.go
index 3c7b7bb..4b4c59d 100644
--- a/main.go
+++ b/main.go
@@ -386,7 +386,7 @@ func main() {
 		"apt update",
 		"apt install -y gawk",
 		fmt.Sprintf("chmod +x %s", installScriptTarget),
-		fmt.Sprintf("%s -s -i %s -V %s", installScriptTarget, ignitionTarget, cfg.Flatcar.Version),
+		fmt.Sprintf("%s -s -i %s -V %s %s", installScriptTarget, ignitionTarget, cfg.Flatcar.Version, cfg.Flatcar.InstallArgs),
 		"shutdown -r now",
 	}
 	for _, command := range commands {