diff --git a/.cz.toml b/.cz.toml
index b8265df3..74777d5f 100644
--- a/.cz.toml
+++ b/.cz.toml
@@ -1,6 +1,6 @@
 [tool.commitizen]
 name = "cz_conventional_commits"
-version = "2.0.3"
+version = "2.0.4"
 version_files = [
     "setup.py",
     "docs/source/conf.py",
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 433c2b18..c20cb7af 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -19,7 +19,7 @@
 import os
 
 
-__version__ = "2.0.3"
+__version__ = "2.0.4"
 
 
 # If extensions (or modules to document with autodoc) are in another directory,
diff --git a/hypernetx/__init__.py b/hypernetx/__init__.py
index 21723aaa..5e131e5f 100644
--- a/hypernetx/__init__.py
+++ b/hypernetx/__init__.py
@@ -11,4 +11,4 @@
 from hypernetx.utils import *
 from hypernetx.utils.toys import *
 
-__version__ = "2.0.3"
+__version__ = "2.0.4"
diff --git a/hypernetx/classes/hypergraph.py b/hypernetx/classes/hypergraph.py
index 952ab195..6c3663b7 100644
--- a/hypernetx/classes/hypergraph.py
+++ b/hypernetx/classes/hypergraph.py
@@ -4,6 +4,7 @@
 
 import pickle
 import warnings
+from copy import deepcopy
 from collections import defaultdict
 from collections.abc import Sequence, Iterable
 from typing import Optional, Any, TypeVar, Union, Mapping, Hashable
@@ -1242,18 +1243,20 @@ def dual(self, name=None, switch_names=True):
         : hypergraph
 
         """
-        dfp = self.edges.properties.copy()
-        if "level" in dfp.columns:
-            dfp = dfp.reset_index()
-            dfp.level = dfp.level.apply(lambda x: 1 * (x == 0))
-            dfp = dfp.set_index(["level", "id"])
+        dfp = deepcopy(self.edges.properties)
+        dfp = dfp.reset_index()
+        dfp.level = dfp.level.apply(lambda x: 1 * (x == 0))
+        dfp = dfp.set_index(["level", "id"])
 
         edge, node, wt = self._edge_col, self._node_col, self._cell_weight_col
-        df = self.dataframe.copy()
+        df = deepcopy(self.dataframe)
         cprops = [col for col in df.columns if not col in [edge, node, wt]]
 
         df[[edge, node]] = df[[node, edge]]
-        if edge != "edges" or node != "nodes":
+        if switch_names == True and not (
+            self._edge_col == "edges" and self._node_col == "nodes"
+        ):
+            # if switch_names == False or (self._edge_col == 'edges' and self._node_col == 'nodes'):
             df = df.rename(columns={edge: self._node_col, node: self._edge_col})
             node = self._edge_col
             edge = self._node_col
diff --git a/hypernetx/classes/tests/conftest.py b/hypernetx/classes/tests/conftest.py
index a4c7eae8..ddfdb22e 100644
--- a/hypernetx/classes/tests/conftest.py
+++ b/hypernetx/classes/tests/conftest.py
@@ -173,7 +173,7 @@ def triloop2():
 
 @pytest.fixture
 def sbs_hypergraph(sbs):
-    return Hypergraph(sbs.edgedict, name="sbsh")
+    return Hypergraph(sbs.edgedict, name="sbsh", edge_col="edges", node_col="nodes")
 
 
 @pytest.fixture
diff --git a/hypernetx/classes/tests/test_hypergraph.py b/hypernetx/classes/tests/test_hypergraph.py
index 3f8f5228..5f21d5a7 100644
--- a/hypernetx/classes/tests/test_hypergraph.py
+++ b/hypernetx/classes/tests/test_hypergraph.py
@@ -308,6 +308,17 @@ def test_dual(sbs_hypergraph):
     HD = H.dual()
     assert set(H.nodes) == set(HD.edges)
     assert set(H.edges) == set(HD.nodes)
+    assert list(H.dataframe.columns) == list(HD.dataframe.columns)
+
+
+def test_dual_again(sbs_edgedict):
+    H = Hypergraph(sbs_edgedict, edge_col="Types", node_col="Values")
+    assert list(H.dataframe.columns[0:2]) == ["Types", "Values"]
+    assert list(H.dual().dataframe.columns[0:2]) == ["Values", "Types"]
+    assert list(H.dual(switch_names=False).dataframe.columns[0:2]) == [
+        "Types",
+        "Values",
+    ]
 
 
 @pytest.mark.filterwarnings("ignore:No 3-path between ME and FN")
diff --git a/setup.py b/setup.py
index edea8c23..d9697e1a 100644
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,5 @@
 from setuptools import setup
 
-__version__ = "2.0.3"
+__version__ = "2.0.4"
 
 setup(version=__version__)