diff --git a/src/lib/pfx.ts b/src/lib/pfx.ts
index bd206fa..43e105e 100644
--- a/src/lib/pfx.ts
+++ b/src/lib/pfx.ts
@@ -6,7 +6,7 @@ export interface PemBundle {
   chainPem: string;
 }
 
-export function pemToPfx(privateKeyPem: string, certPem: string, chainPem: string, password = ''): Buffer {
+export function pemToPfx(privateKeyPem: string, certPem: string, chainPem: string): Buffer {
   const key = forge.pki.privateKeyFromPem(privateKeyPem);
   const cert = forge.pki.certificateFromPem(certPem);
   const chain = chainPem
@@ -14,7 +14,7 @@ export function pemToPfx(privateKeyPem: string, certPem: string, chainPem: strin
     .filter(Boolean)
     .map(p => forge.pki.certificateFromPem(p));
 
-  const p12 = forge.pkcs12.toPkcs12Asn1(key, [cert, ...chain], password, { algorithm: '3des' });
+  const p12 = forge.pkcs12.toPkcs12Asn1(key, [cert, ...chain], null);
   const der = forge.asn1.toDer(p12).getBytes();
   return Buffer.from(der, 'binary');
 }