diff --git a/db/migrations/00008_create_eth_state_cids_table.sql b/db/migrations/00008_create_eth_state_cids_table.sql
index e0bf6e57..4bfa8228 100644
--- a/db/migrations/00008_create_eth_state_cids_table.sql
+++ b/db/migrations/00008_create_eth_state_cids_table.sql
@@ -8,7 +8,7 @@ CREATE TABLE eth.state_cids (
   state_path            BYTEA,
   node_type             INTEGER,
   diff                  BOOLEAN NOT NULL DEFAULT FALSE,
-  UNIQUE (header_id, state_path)
+  UNIQUE (header_id, state_path, diff)
 );
 
 -- +goose Down
diff --git a/db/migrations/00009_create_eth_storage_cids_table.sql b/db/migrations/00009_create_eth_storage_cids_table.sql
index 944d39ed..f19bc62e 100644
--- a/db/migrations/00009_create_eth_storage_cids_table.sql
+++ b/db/migrations/00009_create_eth_storage_cids_table.sql
@@ -8,7 +8,7 @@ CREATE TABLE eth.storage_cids (
   storage_path          BYTEA,
   node_type             INTEGER NOT NULL,
   diff                  BOOLEAN NOT NULL DEFAULT FALSE,
-  UNIQUE (state_id, storage_path)
+  UNIQUE (state_id, storage_path, diff)
 );
 
 -- +goose Down
diff --git a/db/schema.sql b/db/schema.sql
index caa1bb67..a3b55a44 100644
--- a/db/schema.sql
+++ b/db/schema.sql
@@ -774,11 +774,11 @@ ALTER TABLE ONLY eth.state_accounts
 
 
 --
--- Name: state_cids state_cids_header_id_state_path_key; Type: CONSTRAINT; Schema: eth; Owner: -
+-- Name: state_cids state_cids_header_id_state_path_diff_key; Type: CONSTRAINT; Schema: eth; Owner: -
 --
 
 ALTER TABLE ONLY eth.state_cids
-    ADD CONSTRAINT state_cids_header_id_state_path_key UNIQUE (header_id, state_path);
+    ADD CONSTRAINT state_cids_header_id_state_path_diff_key UNIQUE (header_id, state_path, diff);
 
 
 --
@@ -798,11 +798,11 @@ ALTER TABLE ONLY eth.storage_cids
 
 
 --
--- Name: storage_cids storage_cids_state_id_storage_path_key; Type: CONSTRAINT; Schema: eth; Owner: -
+-- Name: storage_cids storage_cids_state_id_storage_path_diff_key; Type: CONSTRAINT; Schema: eth; Owner: -
 --
 
 ALTER TABLE ONLY eth.storage_cids
-    ADD CONSTRAINT storage_cids_state_id_storage_path_key UNIQUE (state_id, storage_path);
+    ADD CONSTRAINT storage_cids_state_id_storage_path_diff_key UNIQUE (state_id, storage_path, diff);
 
 
 --