diff --git a/atst/app.py b/atst/app.py
index c30baa88..c1b5d231 100644
--- a/atst/app.py
+++ b/atst/app.py
@@ -67,6 +67,7 @@ def make_app(config):
 def make_flask_callbacks(app):
     @app.before_request
     def _set_globals():
+        g.current_user = None
         g.dev = os.getenv("FLASK_ENV", "dev") == "dev"
         g.matchesPath = lambda href: re.match("^" + href, request.path)
         g.modal = request.args.get("modal", None)
@@ -74,7 +75,7 @@ def make_flask_callbacks(app):
 
     @app.after_request
     def _cleanup(response):
-        g.pop("current_user", None)
+        g.current_user = None
         return response
 
 
diff --git a/atst/routes/__init__.py b/atst/routes/__init__.py
index d586ef6e..c4b76de3 100644
--- a/atst/routes/__init__.py
+++ b/atst/routes/__init__.py
@@ -18,6 +18,9 @@ bp = Blueprint("atst", __name__)
 
 @bp.route("/")
 def root():
+    if g.current_user:
+        return redirect(url_for(".home"))
+
     redirect_url = app.config.get("CAC_URL")
     if request.args.get("next"):
         redirect_url = url.urljoin(
diff --git a/tests/routes/test_root.py b/tests/routes/test_root.py
new file mode 100644
index 00000000..b06befaf
--- /dev/null
+++ b/tests/routes/test_root.py
@@ -0,0 +1,7 @@
+from tests.factories import UserFactory
+
+
+def test_root_redirects_if_user_is_logged_in(client, user_session):
+    user_session(UserFactory.create())
+    response = client.get("/", follow_redirects=False)
+    assert "home" in response.location
diff --git a/tests/test_routes.py b/tests/test_routes.py
index c2d77150..b1c03a4a 100644
--- a/tests/test_routes.py
+++ b/tests/test_routes.py
@@ -4,7 +4,6 @@ import pytest
 @pytest.mark.parametrize(
     "path",
     (
-        "/",
         "/workspaces",
         "/requests",
         "/requests/new/1",