diff --git a/news/3362.trivial.rst b/news/3362.trivial.rst
new file mode 100644
index 00000000..2216b071
--- /dev/null
+++ b/news/3362.trivial.rst
@@ -0,0 +1 @@
+The inline tables won't be rewritten now.
diff --git a/pipenv/utils.py b/pipenv/utils.py
index 9f03465c..08847e59 100644
--- a/pipenv/utils.py
+++ b/pipenv/utils.py
@@ -83,19 +83,32 @@ def cleanup_toml(tml):
 
 def convert_toml_outline_tables(parsed):
     """Converts all outline tables to inline tables."""
-    if isinstance(parsed, tomlkit.container.Container):
-        empty_inline_table = tomlkit.inline_table
-    else:
-        empty_inline_table = toml.TomlDecoder().get_empty_inline_table
+    def convert_tomlkit_table(section):
+        for key, value in section._body:
+            if not key:
+                continue
+            if hasattr(value, "keys") and not isinstance(value, tomlkit.items.InlineTable):
+                table = tomlkit.inline_table()
+                table.update(value.value)
+                section[key.key] = table
+
+    def convert_toml_table(section):
+        for package, value in section.items():
+            if hasattr(value, "keys") and not isinstance(value, toml.decoder.InlineTableDict):
+                table = toml.TomlDecoder().get_empty_inline_table()
+                table.update(value)
+                section[package] = table
+
+    is_tomlkit_parsed = isinstance(parsed, tomlkit.container.Container)
     for section in ("packages", "dev-packages"):
         table_data = parsed.get(section, {})
-        for package, value in table_data.items():
-            if hasattr(value, "keys") and not isinstance(
-                value, (tomlkit.items.InlineTable, toml.decoder.InlineTableDict)
-            ):
-                table = empty_inline_table()
-                table.update(value)
-                table_data[package] = table
+        if not table_data:
+            continue
+        if is_tomlkit_parsed:
+            convert_tomlkit_table(table_data)
+        else:
+            convert_toml_table(table_data)
+
     return parsed
 
 
diff --git a/tests/integration/test_install_basic.py b/tests/integration/test_install_basic.py
index 317351a0..f858f8ac 100644
--- a/tests/integration/test_install_basic.py
+++ b/tests/integration/test_install_basic.py
@@ -446,3 +446,25 @@ def test_install_package_with_dots(PipenvInstance, pypi):
         c = p.pipenv("install backports.html")
         assert c.ok
         assert "backports.html" in p.pipfile["packages"]
+
+
+@pytest.mark.install
+def test_rewrite_outline_table(PipenvInstance, pypi):
+    with PipenvInstance(pypi=pypi, chdir=True) as p:
+        with open(p.pipfile_path, 'w') as f:
+            contents = """
+[packages]
+six = {version = "*", editable = true}
+
+[packages.requests]
+version = "*"
+            """.strip()
+            f.write(contents)
+        c = p.pipenv("install -e click")
+        assert c.return_code == 0
+        with open(p.pipfile_path) as f:
+            contents = f.read()
+        assert "[packages.requests]" not in contents
+        assert 'six = {version = "*", editable = true}' in contents
+        assert 'requests = {version = "*"}' in contents
+        assert 'click = {' in contents
diff --git a/tests/integration/test_project.py b/tests/integration/test_project.py
index f9a2ba12..6a4a858a 100644
--- a/tests/integration/test_project.py
+++ b/tests/integration/test_project.py
@@ -148,24 +148,6 @@ six = {{version = "*", index = "pypi"}}
         assert c.return_code == 0
 
 
-@pytest.mark.install
-@pytest.mark.project
-def test_rewrite_outline_table(PipenvInstance, pypi):
-    with PipenvInstance(pypi=pypi, chdir=True) as p:
-        with open(p.pipfile_path, 'w') as f:
-            contents = """
-[packages.requests]
-version = "*"
-            """.strip()
-            f.write(contents)
-        c = p.pipenv('install click')
-        assert c.return_code == 0
-        with open(p.pipfile_path) as f:
-            contents = f.read()
-        assert "[packages.requests]" not in contents
-        assert 'requests = {version = "*"}' in contents
-
-
 @pytest.mark.install
 @pytest.mark.project
 def test_include_editable_packages(PipenvInstance, pypi, testsroot, pathlib_tmpdir):
@@ -185,6 +167,7 @@ def test_include_editable_packages(PipenvInstance, pypi, testsroot, pathlib_tmpd
 
 
 @pytest.mark.project
+@pytest.mark.virtualenv
 def test_run_in_virtualenv(PipenvInstance, pypi, virtualenv):
     with PipenvInstance(chdir=True, pypi=pypi) as p:
         os.environ.pop("PIPENV_IGNORE_VIRTUALENVS", None)