diff --git a/cookiecutter-module/{{ cookiecutter.module_name }}/pyproject.toml b/cookiecutter-module/{{ cookiecutter.module_name }}/pyproject.toml
index 81d327e7b8..6abafbd9c7 100644
--- a/cookiecutter-module/{{ cookiecutter.module_name }}/pyproject.toml	
+++ b/cookiecutter-module/{{ cookiecutter.module_name }}/pyproject.toml	
@@ -75,7 +75,7 @@ dev-mode-dirs = ["."]
 
 [tool.hatch.metadata.hooks.tryton]
 {%- if cookiecutter.prefix %}
-prefix = {}
+prefixes = {}
 {%- endif %}
 dependencies = []
 copyright = 'COPYRIGHT'