diff --git a/ChangeLog b/ChangeLog
index 8c6c617e6..5fa10f213 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-12-21  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/net/bootp.c (grub_cmd_dhcpopt): Use snprintf where it
+	was intended.
+
 2013-12-21  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/lib/crypto.c: Don't discard const attribute.
diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c
index ed159418a..c14e9de57 100644
--- a/grub-core/net/bootp.c
+++ b/grub-core/net/bootp.c
@@ -415,7 +415,7 @@ grub_cmd_dhcpopt (struct grub_command *cmd __attribute__ ((unused)),
       else
 	{
 	  char valn[64];
-	  grub_printf (valn, sizeof (valn), "%lld\n", (unsigned long long) val);
+	  grub_snprintf (valn, sizeof (valn), "%lld\n", (unsigned long long) val);
 	  return grub_env_set (args[0], valn);
 	}
       return GRUB_ERR_NONE;