diff --git a/tildes/alembic/versions/7ac1aad64144_group_add_is_user_treated_as_topic_.py b/tildes/alembic/versions/7ac1aad64144_group_add_is_user_treated_as_topic_.py
new file mode 100644
index 0000000..914d72e
--- /dev/null
+++ b/tildes/alembic/versions/7ac1aad64144_group_add_is_user_treated_as_topic_.py
@@ -0,0 +1,36 @@
+"""Group: add is_user_treated_as_topic_source
+
+Revision ID: 7ac1aad64144
+Revises: 61f43e57679a
+Create Date: 2019-03-08 23:02:33.848382
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "7ac1aad64144"
+down_revision = "61f43e57679a"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column(
+        "groups",
+        sa.Column(
+            "is_user_treated_as_topic_source",
+            sa.Boolean(),
+            server_default="false",
+            nullable=False,
+        ),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("groups", "is_user_treated_as_topic_source")
+    # ### end Alembic commands ###
diff --git a/tildes/tildes/models/group/group.py b/tildes/tildes/models/group/group.py
index 09cd025..a592b7e 100644
--- a/tildes/tildes/models/group/group.py
+++ b/tildes/tildes/models/group/group.py
@@ -47,6 +47,9 @@ class Group(DatabaseModel):
     is_admin_posting_only: bool = Column(
         Boolean, nullable=False, server_default="false"
     )
+    is_user_treated_as_topic_source: bool = Column(
+        Boolean, nullable=False, server_default="false"
+    )
 
     # Create a GiST index on path as well as the btree one that will be created by the
     # index=True/unique=True keyword args to Column above. The GiST index supports
diff --git a/tildes/tildes/models/topic/topic.py b/tildes/tildes/models/topic/topic.py
index 2ba8154..9cc8809 100644
--- a/tildes/tildes/models/topic/topic.py
+++ b/tildes/tildes/models/topic/topic.py
@@ -452,4 +452,7 @@ class Topic(DatabaseModel):
     @property
     def is_user_treated_as_source(self) -> bool:
         """Return whether the user that posted the topic is its "source"."""
+        if self.group.is_user_treated_as_topic_source:
+            return True
+
         return self.is_text_type