diff --git a/src/yunohost/utils/config.py b/src/yunohost/utils/config.py
index 4636eaf48..d13038b2b 100644
--- a/src/yunohost/utils/config.py
+++ b/src/yunohost/utils/config.py
@@ -538,7 +538,7 @@ class TagsQuestion(Question):
         values = self.value
         if isinstance(values, str):
             values = values.split(",")
-        elif value is None:
+        elif values is None:
             values = []
         for value in values:
             self.value = value