diff --git a/.changeset/serious-fireants-rescue.md b/.changeset/serious-fireants-rescue.md
new file mode 100644
index 00000000..4e10afd6
--- /dev/null
+++ b/.changeset/serious-fireants-rescue.md
@@ -0,0 +1,6 @@
+---
+'@codama/visitors': minor
+'@codama/nodes-from-anchor': minor
+---
+
+Transform all u8 arrays by default in `transformU8ArraysToBytesVisitor`
diff --git a/packages/visitors/src/transformU8ArraysToBytesVisitor.ts b/packages/visitors/src/transformU8ArraysToBytesVisitor.ts
index a24e01dd..280d707d 100644
--- a/packages/visitors/src/transformU8ArraysToBytesVisitor.ts
+++ b/packages/visitors/src/transformU8ArraysToBytesVisitor.ts
@@ -9,7 +9,7 @@ import {
 } from '@codama/nodes';
 import { extendVisitor, nonNullableIdentityVisitor, pipe, visit } from '@codama/visitors-core';
 
-export function transformU8ArraysToBytesVisitor(sizes: number[] | '*' = [32, 64]) {
+export function transformU8ArraysToBytesVisitor(sizes: number[] | '*' = '*') {
     const hasRequiredSize = (count: ArrayTypeNode['count']): boolean => {
         if (!isNode(count, 'fixedCountNode')) return false;
         return sizes === '*' || sizes.includes(count.value);