diff --git a/py/hexagram/status.py b/py/hexagram/status.py
index ad67a3c..bb46a4e 100644
--- a/py/hexagram/status.py
+++ b/py/hexagram/status.py
@@ -75,7 +75,7 @@ class StatusIcon():
 
         raise FileNotFoundError(name + '.svg')
 
-    def __init__(self, status: VehicleStatus, name: str, width: float, height: float, color: str, style: Optional[str]):
+    def __init__(self, status: VehicleStatus, name: str, width: float, height: float, color: str, style: Optional[str]=None):
         self.status = status
         self.name   = name
         self.width  = width