diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 91052d6..15dc9ee 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -5,12 +5,12 @@ repos:
       - id: black
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v2.4.0
+    rev: v2.5.0
     hooks:
       - id: flake8
 
   - repo: https://github.com/asottile/seed-isort-config
-    rev: v1.9.4
+    rev: v2.1.0
     hooks:
       - id: seed-isort-config
 
diff --git a/news/56.bugfix.rst b/news/56.bugfix.rst
new file mode 100644
index 0000000..ccb7689
--- /dev/null
+++ b/news/56.bugfix.rst
@@ -0,0 +1 @@
+Fixed incorrect session creation via ``pip_shims.compat.get_session`` which inadvertently passed a tuple to pip when building a session instance.
diff --git a/src/pip_shims/compat.py b/src/pip_shims/compat.py
index 0206035..07bbec4 100644
--- a/src/pip_shims/compat.py
+++ b/src/pip_shims/compat.py
@@ -412,7 +412,7 @@ def get_session(
         assert isinstance(install_cmd_provider, (type, functools.partial))
         install_cmd = install_cmd_provider()
     if options is None:
-        options = install_cmd.parser.parse_args([])  # type: ignore
+        options, _ = install_cmd.parser.parse_args([])  # type: ignore
     session = install_cmd._build_session(options)  # type: ignore
     assert session is not None
     atexit.register(session.close)
diff --git a/tests/test_instances.py b/tests/test_instances.py
index b358201..1d31ca9 100644
--- a/tests/test_instances.py
+++ b/tests/test_instances.py
@@ -72,6 +72,7 @@
     shim_unpack,
     url_to_path,
 )
+from pip_shims.compat import get_session
 
 STRING_TYPES = (str,)
 if sys.version_info < (3, 0):
@@ -612,3 +613,9 @@ def test_stdlib_pkgs():
     from pip_shims.shims import stdlib_pkgs
 
     assert "argparse" in stdlib_pkgs
+
+
+def test_get_session():
+    cmd = InstallCommand()
+    sess = get_session(install_cmd=cmd)
+    assert type(sess).__base__.__qualname__ == "Session"