diff --git a/tdeioslave/sftp/tdeio_sftp.cpp b/tdeioslave/sftp/tdeio_sftp.cpp
index dcefc45f1..3fb611f58 100644
--- a/tdeioslave/sftp/tdeio_sftp.cpp
+++ b/tdeioslave/sftp/tdeio_sftp.cpp
@@ -788,6 +788,8 @@ sftpProtocol::~sftpProtocol() {
 
   /* cleanup and shut down cryto stuff */
   ssh_finalize();
+
+  purgeString(mPassword);
 }
 
 void sftpProtocol::setHost(const TQString& h, int port, const TQString& user, const TQString& pass) {