diff --git a/manimlib/once_useful_constructs/light.py b/manimlib/once_useful_constructs/light.py
index b10a8883..5ec132b9 100644
--- a/manimlib/once_useful_constructs/light.py
+++ b/manimlib/once_useful_constructs/light.py
@@ -74,12 +74,14 @@ class SwitchOff(LaggedStartMap):
 
 class Lighthouse(SVGMobject):
     CONFIG = {
-        "file_name": "lighthouse",
         "height": LIGHTHOUSE_HEIGHT,
         "fill_color": WHITE,
         "fill_opacity": 1.0,
     }
 
+    def __init__(self, **kwargs):
+        super().__init__("lighthouse", **kwargs)
+
     def move_to(self, point):
         self.next_to(point, DOWN, buff=0)