diff --git a/db/migrations/00002_create_nodes_table.sql b/db/migrations/00002_create_nodes_table.sql
index 909d5789..76db3d71 100644
--- a/db/migrations/00002_create_nodes_table.sql
+++ b/db/migrations/00002_create_nodes_table.sql
@@ -5,8 +5,7 @@ CREATE TABLE nodes (
   genesis_block VARCHAR(66),
   network_id    VARCHAR,
   node_id       VARCHAR(128),
-  chain_id      INTEGER,
-  CONSTRAINT node_uc UNIQUE (genesis_block, network_id, node_id, chain_id)
+  CONSTRAINT node_uc UNIQUE (genesis_block, network_id, node_id)
 );
 
 -- +goose Down
diff --git a/db/migrations/00012_add_chain_id_to_nodes.sql b/db/migrations/00012_add_chain_id_to_nodes.sql
new file mode 100644
index 00000000..50531c4d
--- /dev/null
+++ b/db/migrations/00012_add_chain_id_to_nodes.sql
@@ -0,0 +1,21 @@
+-- +goose Up
+ALTER TABLE public.nodes
+ADD COLUMN chain_id INTEGER DEFAULT 1;
+
+ALTER TABLE public.nodes
+DROP CONSTRAINT node_uc;
+
+ALTER TABLE public.nodes
+ADD CONSTRAINT node_uc
+UNIQUE (genesis_block, network_id, node_id, chain_id);
+
+-- +goose Down
+ALTER TABLE public.nodes
+DROP CONSTRAINT node_uc;
+
+ALTER TABLE public.nodes
+ADD CONSTRAINT node_uc
+UNIQUE (genesis_block, network_id, node_id);
+
+ALTER TABLE public.nodes
+DROP COLUMN chain_id;
\ No newline at end of file