diff --git a/tests/conftest.py b/tests/conftest.py
index 402347f534..f91dc42797 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -180,4 +180,4 @@ def assert_df_equals(
 def with_morsel_size(request):
     morsel_size = request.param
     with daft.context.execution_config_ctx(default_morsel_size=morsel_size):
-        yield
+        yield morsel_size