diff --git a/debian/changelog b/debian/changelog
index 2e0977f..912bf8a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -8,6 +8,8 @@ ubuntu-dev-tools (0.142) UNRELEASED; urgency=low
     Do enough argument parsing to handle --help (LP: #988009)
   * dgetlp: Require a UTF-8 locale, or it'll crash when displaying errors
     (LP: #979117)
+  * pbuilder-dist: Don't try to enable -updates for Debian testing
+    (LP: #993006)
 
  -- Stefano Rivera <stefanor@debian.org>  Wed, 25 Apr 2012 17:38:58 +0200
 
diff --git a/pbuilder-dist b/pbuilder-dist
index bb6227d..8757678 100755
--- a/pbuilder-dist
+++ b/pbuilder-dist
@@ -266,11 +266,14 @@ class PbuilderDist:
         othermirrors = []
         if self.target_distro in self._debian_distros:
             debian_info = DebianDistroInfo()
-            if (debian_info.codename(self.target_distro) or self.target_distro
-                    in (debian_info.devel(), 'experimental')):
+            codename = debian_info.codename(self.target_distro,
+                                            default=self.target_distro)
+            if codename in (debian_info.devel(), 'experimental'):
                 self.enable_security = False
                 self.enable_updates = False
                 self.enable_proposed = False
+            elif codename == 'testing':
+                self.enable_updates = False
 
             if self.enable_security:
                 othermirrors.append('deb %s %s/updates %s'