diff --git a/sentry_sdk/integrations/threading.py b/sentry_sdk/integrations/threading.py
index 9c99a8e896..fc4f539228 100644
--- a/sentry_sdk/integrations/threading.py
+++ b/sentry_sdk/integrations/threading.py
@@ -120,7 +120,7 @@ def _run_old_run_func():
             # type: () -> Any
             try:
                 self = current_thread()
-                return old_run_func(self, *a, **kw)
+                return old_run_func(self, *a[1:], **kw)
             except Exception:
                 reraise(*_capture_exception())