diff --git a/konova/management/commands/generate_report.py b/konova/management/commands/generate_report.py
index be0531ff..51091871 100644
--- a/konova/management/commands/generate_report.py
+++ b/konova/management/commands/generate_report.py
@@ -131,4 +131,7 @@ class Command(BaseKonovaCommand):
             ]
         )
         success = mail.send()
-        self._write_success(f"Mails with zip as attachment sent to {admin_mails}.")
+        if success == 1:
+            self._write_success(f"Mails with zip as attachment sent to {admin_mails}.")
+        else:
+            self._write_error(f"Something went wrong during mail sending. Returned sending code was '{success}'")