diff --git a/templates/model.py.jinja b/templates/model.py.jinja
index d792797..84185ef 100644
--- a/templates/model.py.jinja
+++ b/templates/model.py.jinja
@@ -23,7 +23,7 @@ if TYPE_CHECKING:
 
 
 {% if model.additional_properties %}
-{% set additional_property_type = 'Any' if model.additional_properties == True else model.additional_properties.get_type_string(quoted=not model.additional_properties.is_base_type) %}
+{% set additional_property_type = 'Any' if model.additional_properties == True else model.additional_properties.get_type_string() %}
 {% endif %}
 
 {% set class_name = model.class_info.name %}