diff --git a/product.py b/product.py
index 79d2e8a..1dc6d10 100644
--- a/product.py
+++ b/product.py
@@ -186,6 +186,10 @@ class AttributeValue(ModelSQL, ModelView):
     def default_sequence():
         return 0
 
+    @staticmethod
+    def default_active():
+        return True
+
     def deactivate(self, values):
         """Deactivates products attribute values"""
         pool = Pool()