diff --git a/pkgs/clan-cli/clan_cli/tests/test_modules.py b/pkgs/clan-cli/clan_cli/tests/test_modules.py
index 339887883..22860a45a 100644
--- a/pkgs/clan-cli/clan_cli/tests/test_modules.py
+++ b/pkgs/clan-cli/clan_cli/tests/test_modules.py
@@ -27,7 +27,7 @@ from clan_lib.machines.machines import Machine as MachineMachine
 @pytest.mark.with_core
 def test_list_modules(test_flake_with_core: FlakeForTest) -> None:
     base_path = test_flake_with_core.path
-    modules_info = list_service_modules(str(base_path))
+    modules_info = list_service_modules(Flake(str(base_path)))
 
     assert "modules" in modules_info
 
diff --git a/pkgs/clan-cli/clan_lib/services/modules.py b/pkgs/clan-cli/clan_lib/services/modules.py
index ee058905b..468ede8e4 100644
--- a/pkgs/clan-cli/clan_lib/services/modules.py
+++ b/pkgs/clan-cli/clan_lib/services/modules.py
@@ -158,11 +158,10 @@ class ModuleList(TypedDict):
 
 
 @API.register
-def list_service_modules(base_path: str) -> ModuleList:
+def list_service_modules(flake: Flake) -> ModuleList:
     """
     Show information about a module
     """
-    flake = Flake(base_path)
     modules = flake.select("clanInternals.inventoryClass.modulesPerSource")
 
     return ModuleList({"modules": modules})
diff --git a/pkgs/clan-cli/clan_lib/tests/test_create.py b/pkgs/clan-cli/clan_lib/tests/test_create.py
index 26ecaa9c8..d31fd88d5 100644
--- a/pkgs/clan-cli/clan_lib/tests/test_create.py
+++ b/pkgs/clan-cli/clan_lib/tests/test_create.py
@@ -206,7 +206,7 @@ def test_clan_create_api(
     store = InventoryStore(clan_dir_flake)
     inventory = store.read()
 
-    modules = list_service_modules(str(clan_dir_flake.path))
+    modules = list_service_modules(clan_dir_flake)
     assert (
         modules["modules"]["clan-core"]["admin"]["manifest"]["name"]
         == "clan-core/admin"