diff --git a/.gitignore b/.gitignore
index 4cf105ef5..56ef01268 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,7 @@ deployments/network
 
 .task
 CLAUDE.md
+GEMINI.md
 
 # dev-only maintenance files
 maintenance
\ No newline at end of file
diff --git a/internal/migrations/032-order-book-actions.sql b/internal/migrations/032-order-book-actions.sql
index b3d25a767..ee17ecf02 100644
--- a/internal/migrations/032-order-book-actions.sql
+++ b/internal/migrations/032-order-book-actions.sql
@@ -2461,7 +2461,7 @@ CREATE OR REPLACE ACTION settle_market(
     for $row in SELECT result_canonical, signature
                 FROM attestations
                 WHERE attestation_hash = $market_hash
-                ORDER BY signed_height DESC
+                ORDER BY signed_height DESC NULLS LAST
                 LIMIT 1 {
         $result_canonical := $row.result_canonical;
         $signature := $row.signature;