diff --git a/idaes_examples/notebooks/conftest.py b/idaes_examples/notebooks/conftest.py
index c7b2355a..60f46a0e 100644
--- a/idaes_examples/notebooks/conftest.py
+++ b/idaes_examples/notebooks/conftest.py
@@ -16,7 +16,8 @@
 
 
 def is_master():
-    worker = os.environ.get("PYTEST_XDIST_WORKER", "gw?")
+    worker = os.environ.get("PYTEST_XDIST_WORKER", "gw0")
+    print(f"Worker = {worker}")
     return worker == "gw0"