diff --git a/panoramix/migrations/versions/1a48a5411020_adding_slug_to_dash.py b/panoramix/migrations/versions/1a48a5411020_adding_slug_to_dash.py
index 743a73c31e6ab..e3609ab07020c 100644
--- a/panoramix/migrations/versions/1a48a5411020_adding_slug_to_dash.py
+++ b/panoramix/migrations/versions/1a48a5411020_adding_slug_to_dash.py
@@ -15,7 +15,7 @@
 
 def upgrade():
     op.add_column('dashboards', sa.Column('slug', sa.String(length=255), nullable=True))
-    op.create_unique_constraint(None, 'dashboards', ['slug'])
+    op.create_unique_constraint('idx_unique_slug', 'dashboards', ['slug'])
 
 
 def downgrade():