diff --git a/src/packet/secret_key.js b/src/packet/secret_key.js
index b7d5bdf3..5fb67b47 100644
--- a/src/packet/secret_key.js
+++ b/src/packet/secret_key.js
@@ -199,6 +199,7 @@ SecretKey.prototype.encrypt = function (passphrase) {
   arr.push(crypto.cfb.normalEncrypt(symmetric, key, cleartext, iv));
 
   this.encrypted = util.concatUint8Array(arr);
+  this.isDecrypted = false;
 };
 
 function produceEncryptionKey(s2k, passphrase, algorithm) {