diff --git a/core/core/metrics.py b/core/core/metrics.py
index 083bda2..149829c 100644
--- a/core/core/metrics.py
+++ b/core/core/metrics.py
@@ -17,7 +17,7 @@ class ItemCountCollector(object):
             Item.all_objects
                 .annotate(
                     returned=Case(
-                        When(returned_at__isnull=False, then=Value(False)),
+                        When(returned_at__isnull=True, then=Value(False)),
                         default=Value(True),
                         output_field=BooleanField()
                     )