diff --git a/packages/core/src/utils/objects/isBuffer.spec.ts b/packages/core/src/utils/objects/isBuffer.spec.ts
index 8f7129b60d9..1a87349602d 100644
--- a/packages/core/src/utils/objects/isBuffer.spec.ts
+++ b/packages/core/src/utils/objects/isBuffer.spec.ts
@@ -1,9 +1,11 @@
-import {isBuffer} from "./isBuffer";
+import {isBuffer, isUint8Array} from "./isBuffer";
 
 describe("isBuffer", () => {
   it("should return true", () => {
     expect(isBuffer(Buffer.from(""))).toBeTruthy();
     expect(isBuffer(Buffer)).toBeTruthy();
+    expect(isUint8Array(Uint8Array)).toBeTruthy();
+    expect(isUint8Array(Uint8Array.from([0, 1]))).toBeTruthy();
   });
   it("should return false", () => {
     expect(isBuffer({})).toBeFalsy();
diff --git a/packages/core/src/utils/objects/isBuffer.ts b/packages/core/src/utils/objects/isBuffer.ts
index 1665dae062b..7b929d58b23 100644
--- a/packages/core/src/utils/objects/isBuffer.ts
+++ b/packages/core/src/utils/objects/isBuffer.ts
@@ -1,8 +1,19 @@
+import {nameOf} from "./nameOf";
+
 /**
  * Tests to see if the object is Buffer
  * @param target
  * @returns {boolean}
  */
 export function isBuffer(target: any): target is Buffer {
-  return !!(target && (target === Buffer || target instanceof Buffer));
+  // is Class
+  if (target && typeof target === "object" && typeof target.isBuffer === "function") {
+    return true;
+  }
+
+  return isUint8Array(target);
+}
+
+export function isUint8Array(target: any): target is Uint8Array {
+  return !!(target && (target === Uint8Array || target instanceof Uint8Array));
 }