diff --git a/core/store/migrate/migrations/0259_add_solana_schema.sql b/core/store/migrate/migrations/0259_add_solana_schema.sql
index 8906d31f3f3..035d3ff3d61 100644
--- a/core/store/migrate/migrations/0259_add_solana_schema.sql
+++ b/core/store/migrate/migrations/0259_add_solana_schema.sql
@@ -20,7 +20,7 @@ CREATE TABLE solana.log_poller_filters (
     is_deleted BOOLEAN NOT NULL DEFAULT FALSE
 );
 
-CREATE UNIQUE INDEX IF NOT EXISTS solana_log_poller_filter_name ON solana.log_poller_filters (name) WHERE NOT is_deleted;
+CREATE UNIQUE INDEX IF NOT EXISTS solana_log_poller_filter_name ON solana.log_poller_filters (chain_id, name) WHERE NOT is_deleted;
 
 CREATE TABLE solana.logs (
     id               BIGSERIAL PRIMARY KEY,