diff --git a/cli/main.ts b/cli/main.ts
index bf0b0cd..0af73bb 100644
--- a/cli/main.ts
+++ b/cli/main.ts
@@ -19,6 +19,11 @@ const args = parse(Deno.args, {
   },
 });
 
+if (args["mode"] === true){
+  console.log(collageModeType.join(", "));
+  Deno.exit(0);
+}
+
 const files: string[] = [];
 const includeExtensions = Array.from(
   String(args["include"] || "*.png, *.jpg").matchAll(/\*\.([\w]+)/g),