diff --git a/move.py b/move.py
index c7e28298bc..5b473ec037 100644
--- a/move.py
+++ b/move.py
@@ -967,7 +967,7 @@ class Line(ModelSQL, ModelView):
     def search_move_field(self, cursor, user, name, clause, context=None):
         if name == 'move_state':
             name = 'state'
-        return [('move.' + name,) + clause[1:]]
+        return [('move.' + name,) + tuple(clause[1:])]
 
     def query_get(self, cursor, user, obj='l', context=None):
         '''