diff --git a/models/gold/core/core__dim_assets.sql b/models/gold/core/core__dim_assets.sql
index 4b3dae2..fa90615 100644
--- a/models/gold/core/core__dim_assets.sql
+++ b/models/gold/core/core__dim_assets.sql
@@ -1,7 +1,7 @@
 -- depends_on: {{ ref('silver__assets') }}
 {{ config(
     materialized = 'incremental',
-    unique_key = ['asset_id'],
+    unique_key = ["asset_issuer","asset_code"],
     incremental_strategy = 'merge',
     merge_exclude_columns = ['inserted_timestamp'],
     post_hook = "ALTER TABLE {{ this }} ADD SEARCH OPTIMIZATION ON EQUALITY(asset_code,asset_issuer,asset_id);",
diff --git a/models/silver/core/silver__assets.sql b/models/silver/core/silver__assets.sql
index 4006d4e..702b743 100644
--- a/models/silver/core/silver__assets.sql
+++ b/models/silver/core/silver__assets.sql
@@ -1,7 +1,7 @@
 -- depends_on: {{ ref('bronze__assets') }}
 {{ config(
     materialized = 'incremental',
-    unique_key = "asset_id",
+    unique_key = ["asset_issuer","asset_code"],
     incremental_predicates = ["dynamic_range_predicate", "partition_id::date"],
     merge_exclude_columns = ["inserted_timestamp"],
     cluster_by = ['partition_id','modified_timestamp::DATE'],
@@ -60,7 +60,8 @@ WHERE
 {% endif %}
 
 qualify ROW_NUMBER() over (
-    PARTITION BY asset_id
+    PARTITION BY asset_issuer,
+    asset_code
     ORDER BY
         batch_insert_ts DESC,
         _inserted_timestamp DESC