diff --git a/commit_queue.py b/commit_queue.py
index 2bcd841..6f08b2e 100755
--- a/commit_queue.py
+++ b/commit_queue.py
@@ -23,7 +23,7 @@
 import rietveld
 
 THIRD_PARTY_DIR = os.path.join(os.path.dirname(__file__), 'third_party')
-sys.path.append(THIRD_PARTY_DIR)
+sys.path.insert(0, THIRD_PARTY_DIR)
 
 from cq_client import cq_pb2
 from google.protobuf import text_format
diff --git a/third_party/google/protobuf/README.chromium b/third_party/google/protobuf/README.chromium
new file mode 100644
index 0000000..12b8af2
--- /dev/null
+++ b/third_party/google/protobuf/README.chromium
@@ -0,0 +1 @@
+This directory contains google.protobuf module version 2.6.0 build 0.