diff --git a/filer_addons/filer_utils/management/commands/subcommands/stats.py b/filer_addons/filer_utils/management/commands/subcommands/stats.py
index 20d2550..9880144 100644
--- a/filer_addons/filer_utils/management/commands/subcommands/stats.py
+++ b/filer_addons/filer_utils/management/commands/subcommands/stats.py
@@ -32,5 +32,5 @@ def handle(self, *args, **options):
             if not file.id in duplicates:
                 if file.duplicates:
                     for dup in file.duplicates:
-                        duplicates.append(file.id)
+                        duplicates.append(dup.id)
         self.stdout.write("Duplicates: %s" % len(duplicates))