diff --git a/apps/fistful/src/ff_postings_transfer.erl b/apps/fistful/src/ff_postings_transfer.erl
index 7e57333..49c4e8b 100644
--- a/apps/fistful/src/ff_postings_transfer.erl
+++ b/apps/fistful/src/ff_postings_transfer.erl
@@ -220,8 +220,8 @@ construct_trx_posting(Posting) ->
 %% Event migrations
 -spec maybe_migrate(any()) -> event().
 % Actual events
-maybe_migrate({created, #{final_cash_flow := _CashFlow}} = Ev) ->
-    Ev;
+maybe_migrate({created, #{final_cash_flow := CashFlow} = EvBody}) ->
+    {created, EvBody#{final_cash_flow => maybe_migrate_cash_flow(CashFlow)}};
 % Old events
 maybe_migrate({created, #{postings := Postings} = Transfer}) ->
     #{
@@ -238,6 +238,29 @@ maybe_migrate({created, #{postings := Postings} = Transfer}) ->
             postings => CashFlowPostings
         }
     }});
-% Other evnts
+% Other events
 maybe_migrate(Ev) ->
-    Ev.
\ No newline at end of file
+    Ev.
+
+maybe_migrate_cash_flow(#{postings := CashFlowPostings} = CashFlow) ->
+    CashFlow#{postings => lists:map(fun maybe_migrate_posting/1, CashFlowPostings)}.
+
+% Some cashflow in early withdrawals has been created with binary accounter_account_id
+maybe_migrate_posting(#{
+    sender := #{accounter_account_id := SenderAcc} = Sender
+} = Posting) when is_binary(SenderAcc) ->
+    maybe_migrate_posting(Posting#{
+        sender := Sender#{
+            accounter_account_id := erlang:binary_to_integer(SenderAcc)
+        }
+    });
+maybe_migrate_posting(#{
+    receiver := #{accounter_account_id := ReceiverAcc} = Receiver
+} = Posting) when is_binary(ReceiverAcc) ->
+    maybe_migrate_posting(Posting#{
+        receiver := Receiver#{
+            accounter_account_id := erlang:binary_to_integer(ReceiverAcc)
+        }
+    });
+maybe_migrate_posting(Posting) ->
+    Posting.