diff --git a/src/pretix/plugins/pretixdroid/signals.py b/src/pretix/plugins/pretixdroid/signals.py
index b64ad196a..df71bd9e4 100644
--- a/src/pretix/plugins/pretixdroid/signals.py
+++ b/src/pretix/plugins/pretixdroid/signals.py
@@ -1,6 +1,9 @@
+import json
+
 from django.core.urlresolvers import resolve, reverse
 from django.dispatch import receiver
 from django.utils.translation import ugettext_lazy as _
+from pretix.base.signals import logentry_display
 
 from pretix.control.signals import nav_event
 
@@ -21,3 +24,19 @@ def control_nav_import(sender, request=None, **kwargs):
             'icon': 'android',
         }
     ]
+
+
+@receiver(signal=logentry_display, dispatch_uid="pretixdroid_logentry_display")
+def pretixcontrol_logentry_display(sender, logentry, **kwargs):
+    if logentry.action_type != 'pretix.plugins.pretixdroid.scan':
+        return
+
+    data = json.loads(logentry.data)
+    if data.get('first'):
+        return _('Position #{posid} has been scanned.'.format(
+            posid=data.get('positionid')
+        ))
+    else:
+        return _('Position #{posid} has been scanned and rejected because it has already been scanned before.'.format(
+            posid=data.get('positionid')
+        ))
diff --git a/src/pretix/plugins/pretixdroid/views.py b/src/pretix/plugins/pretixdroid/views.py
index f74862a85..c3c90a791 100644
--- a/src/pretix/plugins/pretixdroid/views.py
+++ b/src/pretix/plugins/pretixdroid/views.py
@@ -86,9 +86,19 @@ class ApiRedeemView(ApiView):
             if 'status' not in response:
                 if created:
                     response['status'] = 'ok'
+                    op.order.log_action('pretix.plugins.pretixdroid.scan', data={
+                        'position': op.id,
+                        'positionid': op.positionid,
+                        'first': True,
+                    })
                 else:
                     response['status'] = 'error'
                     response['reason'] = 'already_redeemed'
+                    op.order.log_action('pretix.plugins.pretixdroid.scan', data={
+                        'position': op.id,
+                        'positionid': op.positionid,
+                        'first': False,
+                    })
 
             response['data'] = {
                 'secret': op.secret,