diff --git a/ultraplot/tests/test_subplots.py b/ultraplot/tests/test_subplots.py
index 9025ffd54..e6db1baed 100644
--- a/ultraplot/tests/test_subplots.py
+++ b/ultraplot/tests/test_subplots.py
@@ -694,6 +694,7 @@ def test_outside_labels_with_panels():
     fig, ax = uplt.subplots(
         ncols=2,
         nrows=2,
+        share=True,
     )
     # Create extreme case where we add a lot of panels
     # This should push the left labels further left