diff --git a/meshmode/array_context.py b/meshmode/array_context.py
index 2e3ae4af97c3f49374c2e661987e60bfb792f401..6118e9d5530c1ee46aff3ff75ed4d0413698420b 100644
--- a/meshmode/array_context.py
+++ b/meshmode/array_context.py
@@ -162,7 +162,7 @@ class ArrayContext:
         v = make_zero_and_vars(var_names, params=size_names)
         domain = v[0].domain()
         for vname, sname in zip(var_names, size_names):
-            domain = domain & v[0].le_set(v[vname]) & v[vname].le_set(v[sname])
+            domain = domain & v[0].le_set(v[vname]) & v[vname].lt_set(v[sname])
 
         domain_bset, = domain.get_basic_sets()
 
diff --git a/meshmode/discretization/connection/chained.py b/meshmode/discretization/connection/chained.py
index 1be269bb7e9a7326a50a134cb4c4fbda18f37968..53e57e2ea02fbc9395244f10cd07f23752bbbeca 100644
--- a/meshmode/discretization/connection/chained.py
+++ b/meshmode/discretization/connection/chained.py
@@ -202,7 +202,7 @@ def flatten_chained_connection(actx, connection):
         return connection
 
     if not connection.connections:
-        return make_same_mesh_connection(connection.to_discr,
+        return make_same_mesh_connection(actx, connection.to_discr,
                                          connection.from_discr)
 
     # recursively build direct connections