diff --git a/lib/bibformat_migration_kit.py b/lib/bibformat_migration_kit.py
index <HASH>..<HASH> 100644
--- a/lib/bibformat_migration_kit.py
+++ b/lib/bibformat_migration_kit.py
@@ -130,9 +130,9 @@ def migrate_behaviours():
         # The conditions on which we will iterate will maybe need to be split
         # in many conditions, as the new format does not support conditions with
         # multiple arguments
+        add_default_case = True
         for cond in behaviour_conditions:
             previous_tag = ""
-            add_default_case = True
             evaluation_order = cond[0]
             e_conditions =  extract_cond(cond[1])
Fixed add_default_case variable initialization location, thanks to
Ferran Jorba.