diff --git a/fastapi/dependencies/models.py b/fastapi/dependencies/models.py
index 0522b8841d..f9424039f6 100644
--- a/fastapi/dependencies/models.py
+++ b/fastapi/dependencies/models.py
@@ -68,7 +68,7 @@ class Dependant:
     def _uses_scopes(self) -> bool:
         if self.own_oauth_scopes:
             return True
-        if self.security_scopes_param_name is not None:
+        if self.security_scopes_param_names:
             return True
         for sub_dep in self.dependencies:
             if sub_dep._uses_scopes: