diff --git a/selfdrive/controls/controlsd.py b/selfdrive/controls/controlsd.py
index 39687ab72a..58ce6ac3fa 100755
--- a/selfdrive/controls/controlsd.py
+++ b/selfdrive/controls/controlsd.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 import math
-from typing import SupportsFloat
+from numbers import Number
 
 from cereal import car, log
 import cereal.messaging as messaging
@@ -127,7 +127,7 @@ class Controls:
     # Ensure no NaNs/Infs
     for p in ACTUATOR_FIELDS:
       attr = getattr(actuators, p)
-      if not isinstance(attr, SupportsFloat):
+      if not isinstance(attr, Number):
         continue
 
       if not math.isfinite(attr):