diff --git a/src/toldg/process.py b/src/toldg/process.py
index 6d98115..33bae46 100644
--- a/src/toldg/process.py
+++ b/src/toldg/process.py
@@ -76,6 +76,7 @@ def apply_mappings(transactions: list[Transaction], mappings: dict[str, Mapping]
             assert mapping.count > 0, f"{mapping} used by {t} but count is not greater than '0'."
             mapping.count -= 1
             t.mapping = mapping
+            t.account2 = mapping.account2
         else:
             unmapped_count += 1
     if unmapped_count > 0: