diff --git a/ChangeLog b/ChangeLog
index 17d049f99..03e2399a7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-02-11  Andrey Jivsov <openpgp@brainhub.org>
+
+	* fixed --list-keys on Linux64 bit
+
 2011-02-04  Werner Koch  <wk@g10code.com>
 
 	* autogen.sh: Ensure that the git pre-commit hoom has been
diff --git a/common/openpgp-oid.c b/common/openpgp-oid.c
index 222c5a0b2..2a6feafd4 100644
--- a/common/openpgp-oid.c
+++ b/common/openpgp-oid.c
@@ -145,6 +145,7 @@ openpgp_oid_to_str (gcry_mpi_t a)
 {
   const unsigned char *buf;
   size_t length;
+  unsigned int lengthi;
   char *string, *p;
   int n = 0;
   unsigned long val, valmask;
@@ -157,8 +158,8 @@ openpgp_oid_to_str (gcry_mpi_t a)
       return NULL;
     }
 
-  buf = gcry_mpi_get_opaque (a, &length);
-  length = (length+7)/8;
+  buf = gcry_mpi_get_opaque (a, &lengthi);
+  length = (lengthi+7)/8;
 
   /* The first bytes gives the length; check consistency.  */
   if (!length || buf[0] != length -1)