diff --git a/src/bonsai/pytest.ini b/src/bonsai/pytest.ini
index 43c5f82d32..24cdb39657 100644
--- a/src/bonsai/pytest.ini
+++ b/src/bonsai/pytest.ini
@@ -42,6 +42,7 @@ markers =
     type
     unit
     void
+    wall
     web
 
 # Provide plugins explicitly, so it will be possible run tests with PYTEST_DISABLE_PLUGIN_AUTOLOAD.