diff --git a/libervia/backend/core/constants.py b/libervia/backend/core/constants.py
index 7b003259..584cee11 100644
--- a/libervia/backend/core/constants.py
+++ b/libervia/backend/core/constants.py
@@ -435,7 +435,7 @@ class Const(object):
     def bool(cls, value: str) -> bool:
         """@return (bool): bool value for associated constant"""
         assert isinstance(value, str)
-        return value.lower() in (cls.BOOL_TRUE, "1", "yes", "on")
+        return value.lower() in (cls.BOOL_TRUE, "1", "yes", "on", "y", "t")
 
     @classmethod
     def bool_const(cls, value: bool) -> str: