1 files changed, 2 insertions, 2 deletions
diff --git a/DistUpgrade/DistUpgradeView.py b/DistUpgrade/DistUpgradeView.py
index faa581c8..4b24ee7f 100644
--- a/DistUpgrade/DistUpgradeView.py
+++ b/DistUpgrade/DistUpgradeView.py
@@ -35,9 +35,9 @@ class DistUpgradeView(object):
     def getFetchProgress(self):
         " return a fetch progress object "
         return apt.progress.FetchProgress()
-    def getInstallProgress(self):
+    def getInstallProgress(self, cache=None):
         " return a install progress object "
-        return apt.progress.InstallProgress()
+        return apt.progress.InstallProgress(cache)
     def getTerminal(self):
         return DumbTerminal()
     def updateStatus(self, msg):