diff --git a/fastapi/dependencies/utils.py b/fastapi/dependencies/utils.py
index b8f68fcabe..b05066f312 100644
--- a/fastapi/dependencies/utils.py
+++ b/fastapi/dependencies/utils.py
@@ -278,7 +278,7 @@ def _resolve_forward_ref_lenient(
             return Any
 
     localns = _LenientNamespace(globalns)
-    result = fwd_ref._evaluate(globalns, localns, set())
+    result = fwd_ref._evaluate(globalns, localns, recursive_guard=set())
     return result