diff --git a/common/realtime.py b/common/realtime.py
index 57926b4c..2d72c0a6 100644
--- a/common/realtime.py
+++ b/common/realtime.py
@@ -30,7 +30,10 @@ class Priority:
 
 def set_core_affinity(cores: list[int]) -> None:
   if sys.platform == 'linux' and not PC:
-    os.sched_setaffinity(0, cores)
+    try:
+      os.sched_setaffinity(0, cores)
+    except OSError:
+      pass
 
 
 def config_realtime_process(cores: int | list[int], priority: int) -> None: