diff --git a/build/mach_bootstrap.py b/build/mach_bootstrap.py
index e923055bcddd..ff7c0d1eb815 100644
--- a/build/mach_bootstrap.py
+++ b/build/mach_bootstrap.py
@@ -44,6 +44,7 @@ SEARCH_PATHS = [
     'testing/xpcshell',
     'testing/marionette/client',
     'testing/marionette/client/marionette',
+    'testing/marionette/transport',
     'testing/mozbase/mozcrash',
     'testing/mozbase/mozdevice',
     'testing/mozbase/mozfile',
diff --git a/build/virtualenv_packages.txt b/build/virtualenv_packages.txt
index d298aa5a9374..08091e1967c8 100644
--- a/build/virtualenv_packages.txt
+++ b/build/virtualenv_packages.txt
@@ -1,3 +1,4 @@
+marionette_transport.pth:testing/marionette/transport
 marionette.pth:testing/marionette/client
 blessings.pth:python/blessings
 configobj.pth:python/configobj