diff --git a/src/main.ts b/src/main.ts
index 1463070..aa2eaa4 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -73,7 +73,7 @@ scan2paperless \\
     const scanimageProcess = Deno.run({
       cmd: [
         "scanimage",
-        "-d", device,
+        ...(device ? [ "-d", device, ] : []),
         "--format=jpeg",
         "--resolution", "300",
         "--progress",