diff --git a/transformers/synthetix/models/raw/eth/mainnet/core/core_vault_collateral_eth_mainnet.sql b/transformers/synthetix/models/raw/eth/mainnet/core/core_vault_collateral_eth_mainnet.sql
index 0068b34b..b1379093 100644
--- a/transformers/synthetix/models/raw/eth/mainnet/core/core_vault_collateral_eth_mainnet.sql
+++ b/transformers/synthetix/models/raw/eth/mainnet/core/core_vault_collateral_eth_mainnet.sql
@@ -33,5 +33,5 @@ SELECT
     {{ convert_wei('base.collateral_value') }} AS collateral_value
 FROM
     base
-    JOIN {{ ref('blocks_eth_mainnet') }} AS blocks
+    JOIN {{ source('raw_eth_mainnet', 'blocks_parquet') }} AS blocks
     ON base.block_number = blocks.block_number
diff --git a/transformers/synthetix/models/raw/eth/mainnet/core/core_vault_debt_eth_mainnet.sql b/transformers/synthetix/models/raw/eth/mainnet/core/core_vault_debt_eth_mainnet.sql
index a5a1b516..b9fd9036 100644
--- a/transformers/synthetix/models/raw/eth/mainnet/core/core_vault_debt_eth_mainnet.sql
+++ b/transformers/synthetix/models/raw/eth/mainnet/core/core_vault_debt_eth_mainnet.sql
@@ -29,5 +29,5 @@ SELECT
     {{ convert_wei('base.debt') }} AS debt
 FROM
     base
-    JOIN {{ ref('blocks_eth_mainnet') }} AS blocks
+    JOIN {{ source('raw_eth_mainnet', 'blocks_parquet') }} AS blocks
     ON base.block_number = blocks.block_number