diff --git a/src/pretix/plugins/wallet/models.py b/src/pretix/plugins/wallet/models.py
index 5934cc2734..fba3373cce 100644
--- a/src/pretix/plugins/wallet/models.py
+++ b/src/pretix/plugins/wallet/models.py
@@ -142,7 +142,7 @@ class GoogleWalletInstance(models.Model):
     resource = models.CharField()
     identifier = models.CharField()
     data = models.JSONField()
-    usages = models.IntegerField()
+    usages = models.IntegerField(default=0)
     updated_at = models.DateTimeField(auto_now=True)
 
     class Meta:
diff --git a/src/pretix/plugins/wallet/styles/base.py b/src/pretix/plugins/wallet/styles/base.py
index b29041cad7..bdf6cc6daa 100644
--- a/src/pretix/plugins/wallet/styles/base.py
+++ b/src/pretix/plugins/wallet/styles/base.py
@@ -37,8 +37,10 @@ class WalletPlatform:
         )
         return platform_layout
 
-    def generate(self, position):
-        return self.get_layout(position).pass_layout.generate(position)
+    def generate(self, position, layout):
+        if not layout:
+            layout = self.get_layout(position).pass_layout
+        return layout.generate(position)
 
 
 class LayoutContext(TypedDict):
diff --git a/src/pretix/plugins/wallet/styles/google_wallet.py b/src/pretix/plugins/wallet/styles/google_wallet.py
index 6e2b42d788..459965d02b 100644
--- a/src/pretix/plugins/wallet/styles/google_wallet.py
+++ b/src/pretix/plugins/wallet/styles/google_wallet.py
@@ -332,7 +332,7 @@ class EventTicketObject(BaseGoogleWalletObject):
     def ticket_number(self, ticket_number: str):
         self.data["ticket_number"] = ticket_number
 
-    def valid_time_interval(self, start: datetime | None, end: datetime | None):
+    def valid_time_interval(self, start: datetime.datetime | None, end: datetime.datetime | None):
         self.data.setdefault("validTimeInterval", {})
         if start:
             self.data["validTimeInterval"]["start"] = {"date": start.isoformat()}
diff --git a/src/pretix/plugins/wallet/views/google.py b/src/pretix/plugins/wallet/views/google.py
index 0f4202f4bb..8c55d16f4b 100644
--- a/src/pretix/plugins/wallet/views/google.py
+++ b/src/pretix/plugins/wallet/views/google.py
@@ -10,7 +10,7 @@ from pretix.plugins.wallet.styles.google_wallet import (
     GooglePaySignatureManager, Resource,
 )
 
-logger = logging.getLogger("pretix.plugins.wallet.apple")
+logger = logging.getLogger("pretix.plugins.wallet.google")
 
 
 class CallbackView(APIView):
@@ -22,7 +22,7 @@ class CallbackView(APIView):
         webhook_json = GooglePaySignatureManager(
             request.event.settings.wallet_google_issuer_id
         ).unseal(request.data)
-        print(webhook_json)
+
         object = (
             GoogleWalletInstance.objects.select_for_update(of=OF_SELF)
             .filter(