diff --git a/tiramisu/i18n.py b/tiramisu/i18n.py
index c872da7..756a1c0 100644
--- a/tiramisu/i18n.py
+++ b/tiramisu/i18n.py
@@ -24,6 +24,9 @@ from pkg_resources import resource_filename
 from .log import log
 
 
+DEFAULT = 'en'
+
+
 def get_translation() -> str:
     """Sets the user locale as langage
     The default is set to english
@@ -40,11 +43,14 @@ def get_translation() -> str:
         from locale import getdefaultlocale
         default_locale = getdefaultlocale()
     if default_locale and isinstance(default_locale, tuple):
-        user_locale = default_locale[0][:2]
+        if default_locale[0] is not None:
+            user_locale = default_locale[0][:2]
+        else:
+            user_locale = DEFAULT
     elif default_locale:
         user_locale = default_locale[:2]
     else:
-        user_locale = 'en'
+        user_locale = DEFAULT
     try:
         trans = translation(domain=app_name,
                             localedir=translations_path,