diff --git a/roles/test-setup/README.rst b/roles/test-setup/README.rst
index 90fe4e459..8e8fc58f3 100644
--- a/roles/test-setup/README.rst
+++ b/roles/test-setup/README.rst
@@ -1,9 +1,9 @@
 Perform project test setup tasks.
 
 This role assumes that Zuul has checked out a change for a project at
-``src/{{ zuul.project.canonical_name }}`` and looks for a file named
-``tools/test-setup.sh``.  If that file exists and is executable, it will
-be run.
+``{{ zuul_work_dir }}`` and looks for a file named
+``tools/test-setup.sh``.  If that file exists and is executable, it
+will be run.
 
 This allows projects to specify test-setup steps (such as creating or
 initializing a database) in a form that can be easily run by both an
@@ -20,3 +20,8 @@ automated testing system and developers.
    String of optional command line options passed to
    the test-setup script.
 
+.. zuul:rolevar:: zuul_work_dir
+   :default: {{ zuul.project.src_dir }}
+
+   The directory in which to look for the setup script.
+