diff --git a/lib/balance/changes/adjust_balance.ex b/lib/balance/changes/adjust_balance.ex
index 31b7b38..c1406eb 100644
--- a/lib/balance/changes/adjust_balance.ex
+++ b/lib/balance/changes/adjust_balance.ex
@@ -32,7 +32,7 @@ defmodule AshDoubleEntry.Balance.Changes.AdjustBalance do
          balance:
            expr(
              if account_id == ^changeset.arguments.from_account_id do
-               ^atomic_ref(:balance) - ^amount_delta
+               ^atomic_ref(:balance) + -(^amount_delta)
              else
                ^atomic_ref(:balance) + ^amount_delta
              end