diff --git a/ts/flexbuffers.ts b/ts/flexbuffers.ts
index fa518ecda..b8c722d1e 100644
--- a/ts/flexbuffers.ts
+++ b/ts/flexbuffers.ts
@@ -7,7 +7,7 @@ export function builder(): Builder {
     return new Builder();
 }
 
-export function toObject(buffer: Uint8Array): unknown {
+export function toObject(buffer: ArrayBuffer): unknown {
     return toReference(buffer).toObject();
 }
 
diff --git a/ts/flexbuffers/reference.ts b/ts/flexbuffers/reference.ts
index a93c7431b..bfcd927c2 100644
--- a/ts/flexbuffers/reference.ts
+++ b/ts/flexbuffers/reference.ts
@@ -6,7 +6,7 @@ import { Long } from '../long';
 import { fromUTF8Array } from './flexbuffers-util';
 import { BitWidth } from './bit-width';
 
-export function toReference(buffer: Uint8Array): Reference {
+export function toReference(buffer: ArrayBuffer): Reference {
   const len = buffer.byteLength;
   
   if (len < 3) {