diff --git a/src/secureBuffer.ts b/src/secureBuffer.ts
index bb60abeb98..495f43545d 100644
--- a/src/secureBuffer.ts
+++ b/src/secureBuffer.ts
@@ -8,7 +8,7 @@
 import { ensure, Optional } from '@salesforce/ts-types';
 import * as crypto from 'crypto';
 
-const cipherName = 'aes256';
+const cipherName = 'aes-256-cbc';
 const cipherSize = 32;
 
 /**