diff --git a/doc/changelog.d/165.fixed.md b/doc/changelog.d/165.fixed.md
new file mode 100644
index 00000000..dc41bba6
--- /dev/null
+++ b/doc/changelog.d/165.fixed.md
@@ -0,0 +1 @@
+fix: Missing non initialized variable
\ No newline at end of file
diff --git a/src/ansys/tools/visualization_interface/backends/pyvista/pyvista_interface.py b/src/ansys/tools/visualization_interface/backends/pyvista/pyvista_interface.py
index 5cacd308..5776c740 100644
--- a/src/ansys/tools/visualization_interface/backends/pyvista/pyvista_interface.py
+++ b/src/ansys/tools/visualization_interface/backends/pyvista/pyvista_interface.py
@@ -97,6 +97,7 @@ def __init__(
         # objects to actors mapping
         self._object_to_actors_map = {}
         self._enable_widgets = enable_widgets
+        self._show_edges = None
 
     @property
     def scene(self) -> PyVistaPlotter: