diff --git a/agent/pkdecrypt.c b/agent/pkdecrypt.c
index ec23daf83..23b9c1a0b 100644
--- a/agent/pkdecrypt.c
+++ b/agent/pkdecrypt.c
@@ -1,145 +1,145 @@
 /* pkdecrypt.c - public key decryption (well, actually using a secret key)
  *	Copyright (C) 2001, 2003 Free Software Foundation, Inc.
  *
  * This file is part of GnuPG.
  *
  * GnuPG is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 3 of the License, or
  * (at your option) any later version.
  *
  * GnuPG is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <config.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 #include <unistd.h>
 #include <sys/stat.h>
 
 #include "agent.h"
 
 
 /* DECRYPT the stuff in ciphertext which is expected to be a S-Exp.
    Try to get the key from CTRL and write the decoded stuff back to
    OUTFP.   The padding information is stored at R_PADDING with -1
    for not known.  */
 int
 agent_pkdecrypt (ctrl_t ctrl, const char *desc_text,
                  const unsigned char *ciphertext, size_t ciphertextlen,
                  membuf_t *outbuf, int *r_padding)
 {
   gcry_sexp_t s_skey = NULL, s_cipher = NULL, s_plain = NULL;
   unsigned char *shadow_info = NULL;
   int rc;
   char *buf = NULL;
   size_t len;
 
   *r_padding = -1;
 
   if (!ctrl->have_keygrip)
     {
       log_error ("speculative decryption not yet supported\n");
       rc = gpg_error (GPG_ERR_NO_SECKEY);
       goto leave;
     }
 
   rc = gcry_sexp_sscan (&s_cipher, NULL, (char*)ciphertext, ciphertextlen);
   if (rc)
     {
       log_error ("failed to convert ciphertext: %s\n", gpg_strerror (rc));
       rc = gpg_error (GPG_ERR_INV_DATA);
       goto leave;
     }
 
   if (DBG_CRYPTO)
     {
       log_printhex (ctrl->keygrip, 20, "keygrip:");
       log_printhex (ciphertext, ciphertextlen, "cipher: ");
     }
   rc = agent_key_from_file (ctrl, NULL, desc_text,
                             ctrl->keygrip, &shadow_info,
                             CACHE_MODE_NORMAL, NULL, &s_skey, NULL);
   if (rc)
     {
       if (gpg_err_code (rc) != GPG_ERR_NO_SECKEY)
         log_error ("failed to read the secret key\n");
       goto leave;
     }
 
   if (shadow_info)
     { /* divert operation to the smartcard */
 
       if (!gcry_sexp_canon_len (ciphertext, ciphertextlen, NULL, NULL))
         {
           rc = gpg_error (GPG_ERR_INV_SEXP);
           goto leave;
         }
 
       rc = divert_pkdecrypt (ctrl, desc_text, ctrl->keygrip, ciphertext,
                              shadow_info, &buf, &len, r_padding);
       if (rc)
         {
           log_error ("smartcard decryption failed: %s\n", gpg_strerror (rc));
           goto leave;
         }
 
       put_membuf_printf (outbuf, "(5:value%u:", (unsigned int)len);
       put_membuf (outbuf, buf, len);
-      put_membuf (outbuf, ")", 2);
+      put_membuf (outbuf, ")", 1);
     }
   else
     { /* No smartcard, but a private key */
 /*       if (DBG_CRYPTO ) */
 /*         { */
 /*           log_debug ("skey: "); */
 /*           gcry_sexp_dump (s_skey); */
 /*         } */
 
       rc = gcry_pk_decrypt (&s_plain, s_cipher, s_skey);
       if (rc)
         {
           log_error ("decryption failed: %s\n", gpg_strerror (rc));
           goto leave;
         }
 
       if (DBG_CRYPTO)
         {
           log_debug ("plain: ");
           gcry_sexp_dump (s_plain);
         }
       len = gcry_sexp_sprint (s_plain, GCRYSEXP_FMT_CANON, NULL, 0);
       log_assert (len);
       buf = xmalloc (len);
       len = gcry_sexp_sprint (s_plain, GCRYSEXP_FMT_CANON, buf, len);
       log_assert (len);
       if (*buf == '(')
         put_membuf (outbuf, buf, len);
       else
         {
           /* Old style libgcrypt: This is only an S-expression
              part. Turn it into a complete S-expression. */
           put_membuf (outbuf, "(5:value", 8);
           put_membuf (outbuf, buf, len);
-          put_membuf (outbuf, ")", 2);
+          put_membuf (outbuf, ")", 1);
         }
     }
 
 
  leave:
   gcry_sexp_release (s_skey);
   gcry_sexp_release (s_plain);
   gcry_sexp_release (s_cipher);
   xfree (buf);
   xfree (shadow_info);
   return rc;
 }