diff --git a/hledger/test/add-2478.j b/hledger/test/add-2478.j
new file mode 100644
index 000000000..d7b657e83
--- /dev/null
+++ b/hledger/test/add-2478.j
@@ -0,0 +1,11 @@
+; Example from https://github.com/simonmichael/hledger/issues/2478 -
+; the funky ordering requires whole-journal awareness when checking balance assertions.
+
+2025-01-02 second transaction
+    a                            1 ==* 1    ; date:1/1
+    b                           -1
+
+2025-01-01 first transaction
+    a                           -1
+    c                            1
+