diff --git a/issue7677.diff b/issue7677.diff
index 06c3df7..f0b192c 100644
--- a/issue7677.diff
+++ b/issue7677.diff
@@ -7,7 +7,7 @@ index dafa3c4608..dce8e790b1 100644
              if field._type in ('many2one', 'one2one', 'reference'):
                  if value:
 -                    if isinstance(value, ModelStorage):
-+                    if isinstance(value, ModelStorage)
++                    if (isinstance(value, ModelStorage)
 +                            and value.id and value.id >= 0):
                          changed['%s.' % fname] = {
                              'rec_name': value.rec_name,