diff --git a/src/main.rs b/src/main.rs
index 0ed9e3b..ec0a258 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -37,7 +37,7 @@ struct Cli{
 	cookie_file:Option<std::path::PathBuf>,
 
 	#[arg(long,value_parser=parse_key_val::<AssetID,std::path::PathBuf>)]
-	asset_id:(AssetID,std::path::PathBuf),
+	asset_id:Option<(AssetID,std::path::PathBuf)>,
 
 	#[arg(short,long)]
 	input:Option<std::path::PathBuf>,
@@ -68,21 +68,25 @@ async fn main()->AResult<()>{
 
 	let cookie_enum={
 		match (cli.cookie_literal,cli.cookie_env,cli.cookie_file){
-			(Some(literal),None,None)=>Cookie::Literal(literal),
-			(None,Some(env_var),None)=>Cookie::Environment(env_var),
-			(None,None,Some(path))=>Cookie::File(path),
-			_=>return Err(anyhow::Error::msg("Cookie was not specified or was specified multiple times.")),
+			(Some(literal),None,None)=>Some(Cookie::Literal(literal)),
+			(None,Some(env_var),None)=>Some(Cookie::Environment(env_var)),
+			(None,None,Some(path))=>Some(Cookie::File(path)),
+			(None,None,None)=>None,
+			_=>return Err(anyhow::Error::msg("Cookie was specified multiple times.")),
 		}
 	};
-	let cookie=format!(".ROBLOSECURITY={}",match cookie_enum{
-		Cookie::Literal(s)=>s,
-		Cookie::Environment(var)=>std::env::var(var)?,
-		Cookie::File(path)=>tokio::fs::read_to_string(path).await?,
-	});
+	let cookie=match cookie_enum{
+		Some(c)=>Some(format!(".ROBLOSECURITY={}",match c{
+			Cookie::Literal(s)=>s,
+			Cookie::Environment(var)=>std::env::var(var)?,
+			Cookie::File(path)=>tokio::fs::read_to_string(path).await?,
+		})),
+		None=>None,
+	};
 
 	match cli.command{
-		Commands::Download=>download_list(cookie,vec![cli.asset_id]).await,
-		Commands::Upload=>upload_list(cookie,cli.group,vec![cli.asset_id]).await,
+		Commands::Download=>download_list(cookie.unwrap(),vec![cli.asset_id.unwrap()]).await,
+		Commands::Upload=>upload_list(cookie.unwrap(),cli.group,vec![cli.asset_id.unwrap()]).await,
 		Commands::Compile=>compile(cli.input.unwrap(),cli.output.unwrap()),
 		Commands::Decompile=>decompile(cli.input.unwrap(),cli.output.unwrap()),
 	}