diff --git a/modoboa/dmarc/management/commands/import_aggregated_report.py b/modoboa/dmarc/management/commands/import_aggregated_report.py
index ec1d2b582..28d211ee9 100644
--- a/modoboa/dmarc/management/commands/import_aggregated_report.py
+++ b/modoboa/dmarc/management/commands/import_aggregated_report.py
@@ -37,4 +37,4 @@ class Command(BaseCommand):
         elif options.get("imap"):
             lib.import_from_imap(options)
         else:
-            print("Nothing to do.", file=self.stdout)
+            print("Nothing to do.")