diff --git a/src/lib/components/functional/ConversionPanel.svelte b/src/lib/components/functional/ConversionPanel.svelte
index 5368ba1..607034a 100644
--- a/src/lib/components/functional/ConversionPanel.svelte
+++ b/src/lib/components/functional/ConversionPanel.svelte
@@ -74,8 +74,9 @@
 				{m["convert.panel.set_all_to"]()}
 			</p>
 			<div class="w-48 md:max-w-[6.5rem]">
+				<!-- check if all files have the same converters -->
 				<!-- video and audio together still have this dropdown disabled because audio has just ffmpeg (video has vertd & ffmpeg), even tho it can convert between video and audio  -->
-				{#if files.files.length > 0 && files.files.every((f) => JSON.stringify(f.converters) === JSON.stringify(files.files[0].converters))}
+				{#if files.files.length > 0 && files.files.every((f) => f.converters.length) && files.files.every((f) => JSON.stringify(f.converters) === JSON.stringify(files.files[0].converters))}
 					<FormatDropdown
 						onselect={(r) =>
 							files.files.forEach((f) => {