diff --git a/plugins/ui/src/deephaven/ui/hooks/use_execution_context.py b/plugins/ui/src/deephaven/ui/hooks/use_execution_context.py
index 93f1c9045..2cfc808a1 100644
--- a/plugins/ui/src/deephaven/ui/hooks/use_execution_context.py
+++ b/plugins/ui/src/deephaven/ui/hooks/use_execution_context.py
@@ -35,6 +35,6 @@ def use_execution_context(
     Returns:
         A callable that will take any callable and invoke it within the current exec context
     """
-    exec_ctx = use_memo(lambda: exec_ctx if exec_ctx else get_exec_ctx(), {exec_ctx})
-    exec_fn = use_memo(lambda: partial(func_with_ctx, exec_ctx), {exec_ctx})
+    exec_ctx = use_memo(lambda: exec_ctx if exec_ctx else get_exec_ctx(), [exec_ctx])
+    exec_fn = use_memo(lambda: partial(func_with_ctx, exec_ctx), [exec_ctx])
     return exec_fn
diff --git a/plugins/ui/src/deephaven/ui/hooks/use_table_data.py b/plugins/ui/src/deephaven/ui/hooks/use_table_data.py
index 985002e3f..3f2714612 100644
--- a/plugins/ui/src/deephaven/ui/hooks/use_table_data.py
+++ b/plugins/ui/src/deephaven/ui/hooks/use_table_data.py
@@ -143,7 +143,7 @@ def use_table_data(
     table_updated = lambda: _set_new_data(table, sentinel, set_data, set_is_sentinel)
 
     ui.use_table_listener(
-        table, partial(_on_update, ctx, table_updated, executor_name), set()
+        table, partial(_on_update, ctx, table_updated, executor_name), []
     )
 
     return transform(data, is_sentinel)