diff --git a/src/sql/orderbook/latest_block.sql b/src/sql/orderbook/latest_block.sql
index acc3a5d4..6bb1a1b5 100644
--- a/src/sql/orderbook/latest_block.sql
+++ b/src/sql/orderbook/latest_block.sql
@@ -1,3 +1,2 @@
-select min(block_number) latest
-from settlements
-where tx_from is null;
\ No newline at end of file
+select max(block_number) latest
+from settlement_observations;