diff --git a/flaschengeist/plugins/events/models.py b/flaschengeist/plugins/events/models.py
index d1dee02..2cbfd6e 100644
--- a/flaschengeist/plugins/events/models.py
+++ b/flaschengeist/plugins/events/models.py
@@ -65,8 +65,10 @@ class Job(db.Model, ModelSerializeMixin):
     end: Optional[datetime] = db.Column(UtcDateTime)
     type: Union[JobType, int] = db.relationship("JobType")
     comment: Optional[str] = db.Column(db.String(256))
-    locked: bool = db.Column(db.Boolean())
-    services: list[Service] = db.relationship("Service", back_populates="job_")
+    locked: bool = db.Column(db.Boolean(), default=False, nullable=False)
+    services: list[Service] = db.relationship(
+        "Service", back_populates="job_", cascade="save-update, merge, delete, delete-orphan"
+    )
     required_services: float = db.Column(db.Numeric(precision=4, scale=2, asdecimal=False), nullable=False)
 
     event_ = db.relationship("Event", back_populates="jobs")
diff --git a/flaschengeist/plugins/events/routes.py b/flaschengeist/plugins/events/routes.py
index 780edcb..2771c72 100644
--- a/flaschengeist/plugins/events/routes.py
+++ b/flaschengeist/plugins/events/routes.py
@@ -15,7 +15,6 @@ from . import event_controller, permissions, EventPlugin
 from ...utils.HTTP import no_content
 
 
-
 def dict_get(self, key, default=None, type=None):
     """Same as .get from MultiDict"""
     try:
@@ -340,11 +339,11 @@ def modify_event(event_id, current_session):
     event.start = dict_get(data, "start", event.start, type=from_iso_format)
     event.end = dict_get(data, "end", event.end, type=from_iso_format)
     event.name = dict_get(data, "name", event.name, type=str)
-    event.description = dict_get(data, "description", event.description, type=str)    
+    event.description = dict_get(data, "description", event.description, type=str)
     if "type" in data:
         event_type = event_controller.get_event_type(data["type"])
         event.type = event_type
- 
+
     event_controller.update()
     return jsonify(event)
 
@@ -427,7 +426,7 @@ def update_job(event_id, job_id, current_session: Session):
     """
     if not current_session.user_.has_permission(permissions.EDIT):
         raise Forbidden
-    
+
     data = request.get_json()
     if not data:
         raise BadRequest
@@ -510,4 +509,5 @@ def lock_job(job_id, current_session: Session):
         raise BadRequest
     return no_content()
 
+
 # TODO: JobTransfer
diff --git a/flaschengeist/plugins/pricelist/__init__.py b/flaschengeist/plugins/pricelist/__init__.py
index 20bb30a..168136e 100644
--- a/flaschengeist/plugins/pricelist/__init__.py
+++ b/flaschengeist/plugins/pricelist/__init__.py
@@ -738,7 +738,7 @@ def set_picture(identifier, current_session):
 
 
 @PriceListPlugin.blueprint.route("/drinks/<int:identifier>/picture", methods=["GET"])
-#@headers({"Cache-Control": "private, must-revalidate"})
+# @headers({"Cache-Control": "private, must-revalidate"})
 def _get_picture(identifier):
     """Get Picture