diff --git a/src/lib/components/admin/Settings/Documents.svelte b/src/lib/components/admin/Settings/Documents.svelte
index 8425f338ea..1e6adb3534 100644
--- a/src/lib/components/admin/Settings/Documents.svelte
+++ b/src/lib/components/admin/Settings/Documents.svelte
@@ -282,7 +282,7 @@
 					: {},
 			CONTENT_EXTRACTION_SUPPORTED_MEDIA_MIME_TYPES:
 				RAGConfig.CONTENT_EXTRACTION_SUPPORTED_MEDIA_MIME_TYPES.trim() === ''
-					? undefined
+					? []
 					: RAGConfig.CONTENT_EXTRACTION_SUPPORTED_MEDIA_MIME_TYPES.split(',')
 							.map((mimeType: string) => mimeType.trim())
 							.filter((mimeType: string) => mimeType !== ''),