--- a/python/mozbuild/mozbuild/artifacts.py
+++ b/python/mozbuild/mozbuild/artifacts.py
@@ -107,17 +107,17 @@ MAX_CACHED_ARTIFACTS = 6
 # easy installation.  This is most noticeable on Mac OS X: since mounting and
 # copying from DMG files is very slow, we extract the desired binaries to a
 # separate archive for fast re-installation.
 PROCESSED_SUFFIX = '.processed.jar'
 
 CANDIDATE_TREES = (
     'mozilla-central',
     'integration/mozilla-inbound',
-    'releases/mozilla-aurora'
+    'releases/mozilla-beta'
 )
 
 class ArtifactJob(object):
     # These are a subset of TEST_HARNESS_BINS in testing/mochitest/Makefile.in.
     # Each item is a pair of (pattern, (src_prefix, dest_prefix), where src_prefix
     # is the prefix of the pattern relevant to its location in the archive, and
     # dest_prefix is the prefix to be added that will yield the final path relative
     # to dist/.