diff --git a/calendar_backend/models/db.py b/calendar_backend/models/db.py
index 93776187..c31cb836 100644
--- a/calendar_backend/models/db.py
+++ b/calendar_backend/models/db.py
@@ -32,10 +32,11 @@ class Direction(str, Enum):
 
 
 class Room(BaseDbModel):
-    name: Mapped[int] = mapped_column(String, nullable=False, unique=True)
-    direction: Mapped[int] = mapped_column(DbEnum(Direction, native_enum=False), nullable=True)
-    building: Mapped[int] = mapped_column(String)
-    is_deleted: Mapped[int] = mapped_column(Boolean, default=False)
+    name: Mapped[str] = mapped_column(String, nullable=False, unique=True)
+    direction: Mapped[Direction] = mapped_column(DbEnum(Direction, native_enum=False), nullable=True)
+    building: Mapped[str] = mapped_column(String, nullable=True)
+    building_url: Mapped[str] = mapped_column(String, nullable=True)
+    is_deleted: Mapped[bool] = mapped_column(Boolean, default=False)
 
     events: Mapped[list[Event]] = relationship(
         "Event",
@@ -47,12 +48,12 @@ class Room(BaseDbModel):
 
 
 class Lecturer(BaseDbModel):
-    first_name: Mapped[int] = mapped_column(String, nullable=False)
-    middle_name: Mapped[int] = mapped_column(String, nullable=False)
-    last_name: Mapped[int] = mapped_column(String, nullable=False)
+    first_name: Mapped[str] = mapped_column(String, nullable=False)
+    middle_name: Mapped[str] = mapped_column(String, nullable=False)
+    last_name: Mapped[str] = mapped_column(String, nullable=False)
     avatar_id: Mapped[int] = mapped_column(Integer, ForeignKey("photo.id"))
-    description: Mapped[int] = mapped_column(Text, nullable=True)
-    is_deleted: Mapped[int] = mapped_column(Boolean, default=False)
+    description: Mapped[str] = mapped_column(Text, nullable=True)
+    is_deleted: Mapped[bool] = mapped_column(Boolean, default=False)
 
     avatar: Mapped[Photo] = relationship(
         "Photo",
diff --git a/calendar_backend/routes/models/base.py b/calendar_backend/routes/models/base.py
index 3858b0b0..b0602ba8 100644
--- a/calendar_backend/routes/models/base.py
+++ b/calendar_backend/routes/models/base.py
@@ -61,6 +61,7 @@ class RoomGet(Base):
     id: int
     name: str
     building: str | None
+    building_url: str | None
     direction: str | None
 
     def __repr__(self):
diff --git a/calendar_backend/routes/models/room.py b/calendar_backend/routes/models/room.py
index cdae4f7c..6ab0e83d 100644
--- a/calendar_backend/routes/models/room.py
+++ b/calendar_backend/routes/models/room.py
@@ -6,6 +6,7 @@
 class RoomPatch(Base):
     name: str | None
     building: str | None
+    building_url: str | None
     direction: Direction | None
 
     def __repr__(self):
@@ -15,6 +16,7 @@ def __repr__(self):
 class RoomPost(Base):
     name: str
     building: str | None
+    building_url: str | None
     direction: Direction | None
 
 
diff --git a/migrations/versions/3948c45f9977_building_url.py b/migrations/versions/3948c45f9977_building_url.py
new file mode 100644
index 00000000..75e4f0d8
--- /dev/null
+++ b/migrations/versions/3948c45f9977_building_url.py
@@ -0,0 +1,23 @@
+"""Building url
+
+Revision ID: 3948c45f9977
+Revises: 63263ee9e08e
+Create Date: 2023-03-20 16:42:54.345727
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = '3948c45f9977'
+down_revision = '63263ee9e08e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column('room', sa.Column('building_url', sa.String(), nullable=True))
+
+
+def downgrade():
+    op.drop_column('room', 'building_url')