diff --git a/kbx/ChangeLog b/kbx/ChangeLog
index a64d54cc5..1056ad1b3 100644
--- a/kbx/ChangeLog
+++ b/kbx/ChangeLog
@@ -1,3 +1,7 @@
+2010-07-23  Werner Koch  <wk@g10code.com>
+
+	* keybox-blob.c (_keybox_create_x509_blob): Fix reallocation bug.
+
 2010-04-20  Marcus Brinkmann  <marcus@g10code.de>
 
 	* keybox-update.c [!HAVE_DOSISH_SYSTEM]: Include
diff --git a/kbx/keybox-blob.c b/kbx/keybox-blob.c
index a14499311..a65bb435b 100644
--- a/kbx/keybox-blob.c
+++ b/kbx/keybox-blob.c
@@ -889,6 +889,7 @@ _keybox_create_x509_blob (KEYBOXBLOB *r_blob, ksba_cert_t cert,
               rc = gpg_error_from_syserror ();
               goto leave;
             }
+          names = tmp;
         }
       names[blob->nuids++] = p;
       if (!i && (p=x509_email_kludge (p)))