diff --git a/crates/atuin-server-postgres/src/lib.rs b/crates/atuin-server-postgres/src/lib.rs
index 47e9486b..00a832d4 100644
--- a/crates/atuin-server-postgres/src/lib.rs
+++ b/crates/atuin-server-postgres/src/lib.rs
@@ -571,7 +571,7 @@ impl Database for Postgres {
                 "insert into store_idx_cache
                     (user_id, host, tag, idx) 
                 values ($1, $2, $3, $4)
-                on conflict(user_id, host, tag) do update set idx = greatest(idx, $4)
+                on conflict(user_id, host, tag) do update set idx = greatest(store_idx_cache.idx, $4)
                 ",
             )
             .bind(user.id)