diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 7da440bf7..136dafb1f 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2014-03-06  Corinna Vinschen  <corinna@vinschen.de>
+
+	* setlsapwd.cc (setlsapwd): Use RtlSecureZeroMemory to delete password
+	from memory.
+
 2014-03-05  Corinna Vinschen  <corinna@vinschen.de>
 
 	* ldap.cc (rediscover_thread): Remove.
diff --git a/winsup/cygwin/setlsapwd.cc b/winsup/cygwin/setlsapwd.cc
index c103d0d07..14eb12eeb 100644
--- a/winsup/cygwin/setlsapwd.cc
+++ b/winsup/cygwin/setlsapwd.cc
@@ -93,7 +93,7 @@ setlsapwd (const char *passwd, const char *username)
 	}
       if (data_buf)
 	{
-	  memset (data.Buffer, 0, data.Length);
+	  RtlSecureZeroMemory (data.Buffer, data.Length);
 	  free (data_buf);
 	}
     }