diff --git a/migrations/versions/b24bf17725d2_add_unique_index_to_settings_table_keys.py b/migrations/versions/b24bf17725d2_add_unique_index_to_settings_table_keys.py
new file mode 100644
index 0000000..48cfbe9
--- /dev/null
+++ b/migrations/versions/b24bf17725d2_add_unique_index_to_settings_table_keys.py
@@ -0,0 +1,24 @@
+"""Add unique index to settings table keys
+
+Revision ID: b24bf17725d2
+Revises: 0967658d9c0d
+Create Date: 2021-12-12 20:29:17.103441
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'b24bf17725d2'
+down_revision = '0967658d9c0d'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_index(op.f('ix_setting_name'), 'setting', ['name'], unique=True)
+
+
+def downgrade():
+    op.drop_index(op.f('ix_setting_name'), table_name='setting')
diff --git a/powerdnsadmin/models/setting.py b/powerdnsadmin/models/setting.py
index a46cfb6..4b9bcc5 100644
--- a/powerdnsadmin/models/setting.py
+++ b/powerdnsadmin/models/setting.py
@@ -11,7 +11,7 @@ from .base import db
 
 class Setting(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    name = db.Column(db.String(64))
+    name = db.Column(db.String(64), unique=True, index=True)
     value = db.Column(db.Text())
 
     defaults = {