diff --git a/sentry_sdk/integrations/aiohttp.py b/sentry_sdk/integrations/aiohttp.py
index af8cb66102..d2d431aefd 100644
--- a/sentry_sdk/integrations/aiohttp.py
+++ b/sentry_sdk/integrations/aiohttp.py
@@ -183,7 +183,7 @@ def init(*args, **kwargs):
             if hub.get_integration(AioHttpIntegration) is None:
                 return old_client_session_init(*args, **kwargs)
 
-            client_trace_configs = list(kwargs.get("trace_configs", ()))
+            client_trace_configs = list(kwargs.get("trace_configs") or ())
             trace_config = create_trace_config()
             client_trace_configs.append(trace_config)