diff --git a/rhodecode/controllers/changelog.py b/rhodecode/controllers/changelog.py
--- a/rhodecode/controllers/changelog.py
+++ b/rhodecode/controllers/changelog.py
@@ -93,7 +93,7 @@ class ChangelogController(BaseController
 
         revcount = min(max_rev, revcount)
         rev_end = max(0, rev_start - revcount)
-        dag = graph_rev(repo.repo, rev_start, rev_end)
+        dag = graph_rev(repo._repo, rev_start, rev_end)
 
         c.dag = tree = list(colored(dag))
         data = []
diff --git a/rhodecode/tests/functional/test_files.py b/rhodecode/tests/functional/test_files.py
--- a/rhodecode/tests/functional/test_files.py
+++ b/rhodecode/tests/functional/test_files.py
@@ -1,8 +1,8 @@
 from rhodecode.tests import *
 
 ARCHIVE_SPECS = {
-    '.tar.bz2': ('application/x-tar', 'tbz2', ''),
-    '.tar.gz': ('application/x-tar', 'tgz', ''),
+    '.tar.bz2': ('application/x-bzip2', 'tbz2', ''),
+    '.tar.gz': ('application/x-gzip', 'tgz', ''),
     '.zip': ('application/zip', 'zip', ''),
 }