diff --git a/ubuntutools/config.py b/ubuntutools/config.py
index ba029fe..dfa53a3 100644
--- a/ubuntutools/config.py
+++ b/ubuntutools/config.py
@@ -37,10 +37,12 @@ class UDTConfig(object):
         'BUILDER': 'pbuilder',
         'DEBIAN_MIRROR': 'http://deb.debian.org/debian',
         'DEBSEC_MIRROR': 'http://security.debian.org',
+        'DEBIAN_DDEBS_MIRROR': 'http://debug.mirrors.debian.org/debian-debug',
         'LPINSTANCE': 'production',
         'MIRROR_FALLBACK': True,
         'UBUNTU_MIRROR': 'http://archive.ubuntu.com/ubuntu',
         'UBUNTU_PORTS_MIRROR': 'http://ports.ubuntu.com',
+        'UBUNTU_DDEBS_MIRROR': 'http://ddebs.ubuntu.com',
         'UPDATE_BUILDER': False,
         'WORKDIR': None,
         'KEYID': None,