diff --git a/lib/help/key_utils.js b/lib/help/key_utils.js
index b88c911dc0..371fc9092f 100644
--- a/lib/help/key_utils.js
+++ b/lib/help/key_utils.js
@@ -238,7 +238,7 @@ const jwkToPem = {
       const ECPrivateKey = asn1.get('ECPrivateKey')
 
       return ECPrivateKey.encode({
-        version: 0,
+        version: 1,
         privateKey: base64url.decodeToBuffer(jwk.d),
         parameters: {
           type: 'namedCurve',