diff --git a/ereuse_devicehub/inventory/views.py b/ereuse_devicehub/inventory/views.py
index 6239d98c..8c841a1e 100644
--- a/ereuse_devicehub/inventory/views.py
+++ b/ereuse_devicehub/inventory/views.py
@@ -198,6 +198,7 @@ class BindingView(GenericMixin):
 
         if device.placeholder:
             device = device.placeholder.binding
+            dhid = device.devicehub_id
 
         if request.method == 'POST':
             old_placeholder = device.binding
@@ -216,10 +217,11 @@ class BindingView(GenericMixin):
                         if act.device == old_device_placeholder:
                             db.session.delete(act)
 
-                db.session.delete(old_device_placeholder)
                 for tag in list(old_device_placeholder.tags):
                     tag.device = placeholder.device
 
+                db.session.delete(old_device_placeholder)
+
             device.binding = placeholder
             db.session.commit()
             next_url = url_for('inventory.device_details', id=dhid)