diff --git a/src/ansys/acp/core/_tree_objects/cylindrical_selection_rule.py b/src/ansys/acp/core/_tree_objects/cylindrical_selection_rule.py
index f6bedfd7a8..84cf8abf60 100644
--- a/src/ansys/acp/core/_tree_objects/cylindrical_selection_rule.py
+++ b/src/ansys/acp/core/_tree_objects/cylindrical_selection_rule.py
@@ -112,8 +112,8 @@ def __init__(
         name: str = "CylindricalSelectionrule",
         use_global_coordinate_system: bool = True,
         rosette: Rosette | None = None,
-        origin: tuple[float, ...] = (0.0, 0.0, 0.0),
-        direction: tuple[float, ...] = (0.0, 0.0, 1.0),
+        origin: tuple[float, float, float] = (0.0, 0.0, 0.0),
+        direction: tuple[float, float, float] = (0.0, 0.0, 1.0),
         radius: float = 0.0,
         relative_rule: bool = False,
         include_rule: bool = True,
diff --git a/src/ansys/acp/core/_tree_objects/parallel_selection_rule.py b/src/ansys/acp/core/_tree_objects/parallel_selection_rule.py
index ca9d73db1c..1af0288815 100644
--- a/src/ansys/acp/core/_tree_objects/parallel_selection_rule.py
+++ b/src/ansys/acp/core/_tree_objects/parallel_selection_rule.py
@@ -114,8 +114,8 @@ def __init__(
         name: str = "ParallelSelectionrule",
         use_global_coordinate_system: bool = True,
         rosette: Rosette | None = None,
-        origin: tuple[float, ...] = (0.0, 0.0, 0.0),
-        direction: tuple[float, ...] = (1.0, 0.0, 0.0),
+        origin: tuple[float, float, float] = (0.0, 0.0, 0.0),
+        direction: tuple[float, float, float] = (1.0, 0.0, 0.0),
         lower_limit: float = 0.0,
         upper_limit: float = 0.0,
         relative_rule: bool = False,
diff --git a/src/ansys/acp/core/_tree_objects/spherical_selection_rule.py b/src/ansys/acp/core/_tree_objects/spherical_selection_rule.py
index a1e35f2921..03f587f609 100644
--- a/src/ansys/acp/core/_tree_objects/spherical_selection_rule.py
+++ b/src/ansys/acp/core/_tree_objects/spherical_selection_rule.py
@@ -110,7 +110,7 @@ def __init__(
         name: str = "SphericalSelectionrule",
         use_global_coordinate_system: bool = True,
         rosette: Rosette | None = None,
-        origin: tuple[float, ...] = (0.0, 0.0, 0.0),
+        origin: tuple[float, float, float] = (0.0, 0.0, 0.0),
         radius: float = 0.0,
         relative_rule: bool = False,
         include_rule: bool = True,