diff --git a/frontend/src/lib/components/ArrayTypeNarrowing.svelte b/frontend/src/lib/components/ArrayTypeNarrowing.svelte
index 2d37233086..89285414de 100644
--- a/frontend/src/lib/components/ArrayTypeNarrowing.svelte
+++ b/frontend/src/lib/components/ArrayTypeNarrowing.svelte
@@ -26,7 +26,9 @@
 			? itemsType?.type
 			: Array.isArray(itemsType?.enum)
 				? 'enum'
-				: 'string'
+				: itemsType?.contentEncoding == 'base64'
+					? 'bytes'
+					: 'string'
 
 	let schema = {
 		properties: itemsType?.properties || {},