diff --git a/netbox/dcim/filters.py b/netbox/dcim/filters.py
index 0d5455aa0..701ea111f 100644
--- a/netbox/dcim/filters.py
+++ b/netbox/dcim/filters.py
@@ -509,7 +509,7 @@ class DeviceFilter(CustomFieldFilterSet, django_filters.FilterSet):
             Q(name__icontains=value) |
             Q(serial__icontains=value.strip()) |
             Q(inventory_items__serial__icontains=value.strip()) |
-            Q(asset_tag=value.strip()) |
+            Q(asset_tag__icontains=value.strip()) |
             Q(comments__icontains=value)
         ).distinct()