diff --git a/debian/changelog b/debian/changelog
index 92865fa..ef3c15b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+ubuntu-dev-tools (0.179) UNRELEASED; urgency=medium
+
+  * archive.py: Evaluate the filter() fixing syncpackage.
+
+ -- Stefano Rivera <stefanor@debian.org>  Fri, 29 Jan 2021 22:17:42 -0700
+
 ubuntu-dev-tools (0.178) unstable; urgency=medium
 
   [ Dan Streetman ]
diff --git a/ubuntutools/archive.py b/ubuntutools/archive.py
index 10397ac..d9d789e 100644
--- a/ubuntutools/archive.py
+++ b/ubuntutools/archive.py
@@ -167,7 +167,7 @@ class SourcePackage(object):
                     UDTConfig.defaults.get('%s_%s' %
                                            (self.distribution.upper(),
                                             suffix)))
-                self.masters = filter(None, masters)
+                self.masters = list(filter(None, masters))
 
         # if a dsc was specified, pull it to get the source/version info
         if self._dsc_source: