diff --git a/binding.js b/binding.js
index 6593218d..7795f42b 100644
--- a/binding.js
+++ b/binding.js
@@ -62,7 +62,7 @@ module.exports.download_vips = function() {
     var lddVersion = process.env.LDD_VERSION;
     if (lddVersion) {
       var libcVersion = lddVersion ? lddVersion.split(/\n/)[0].split(' ').slice(-1)[0].trim() : '';
-      if (libcVersion && semver.lt(libcVersion + '.0', '2.15.0')) {
+      if (libcVersion && semver.lt(libcVersion + '.0', '2.13.0')) {
         error('libc version ' + libcVersion + ' requires manual installation - please see http://sharp.dimens.io/en/stable/install/');
       }
     }
diff --git a/packaging/lin/Dockerfile b/packaging/lin/Dockerfile
index e5d617e8..0a72abb2 100644
--- a/packaging/lin/Dockerfile
+++ b/packaging/lin/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:precise
+FROM debian:wheezy
 MAINTAINER Lovell Fuller <npm@lovell.info>
 
 RUN apt-get update && apt-get install -y build-essential autoconf libtool nasm gtk-doc-tools texinfo