diff --git a/mealie/db/models/group/group.py b/mealie/db/models/group/group.py
index 069d840e86b6..91c1cf4d8d00 100644
--- a/mealie/db/models/group/group.py
+++ b/mealie/db/models/group/group.py
@@ -35,7 +35,7 @@ class Group(SqlAlchemyBase, BaseMixins):
     name: Mapped[str] = mapped_column(sa.String, index=True, nullable=False, unique=True)
     slug: Mapped[str | None] = mapped_column(sa.String, index=True, unique=True)
     users: Mapped[list["User"]] = orm.relationship("User", back_populates="group")
-    categories: Mapped[Category] = orm.relationship(
+    categories: Mapped[list[Category]] = orm.relationship(
         Category, secondary=group_to_categories, single_parent=True, uselist=True
     )
 
diff --git a/mealie/db/models/group/mealplan.py b/mealie/db/models/group/mealplan.py
index 23547a0bf033..ce0003723e41 100644
--- a/mealie/db/models/group/mealplan.py
+++ b/mealie/db/models/group/mealplan.py
@@ -30,7 +30,7 @@ class GroupMealPlanRules(BaseMixins, SqlAlchemyBase):
         String, nullable=False, default=""
     )  # "breakfast", "lunch", "dinner", "side"
 
-    categories: Mapped[Category] = orm.relationship(Category, secondary=plan_rules_to_categories, uselist=True)
+    categories: Mapped[list[Category]] = orm.relationship(Category, secondary=plan_rules_to_categories, uselist=True)
     tags: Mapped[list[Tag]] = orm.relationship(Tag, secondary=plan_rules_to_tags, uselist=True)
 
     @auto_init()