diff --git a/models/ws_caea_code.py b/models/ws_caea_code.py
index 848da8763488d1e97eb20d332246bd32796cbc7d..88ec8328bc053a7c0189768e56d1838c231acd18 100644
--- a/models/ws_caea_code.py
+++ b/models/ws_caea_code.py
@@ -295,7 +295,7 @@ class WsCaeaCode(models.Model):
             ]
             # there are not registered invoices
             if 1502 in codes:
-                return 0
+                return 1
             self.config_id.get_errors(errors)
         if not errors:
             num = int(response['numeroComprobante'])