diff --git a/emails/low_balance.spt b/emails/low_balance.spt
index 5dc4cda01e..4aabc632d5 100644
--- a/emails/low_balance.spt
+++ b/emails/low_balance.spt
@@ -6,11 +6,11 @@
     low_balance, needed
 ) }}</p>
 
-<p><a href="{{ participant.url('wallet/payin/') }}" style="{{ button_style('primary') }}">{{
+<p><a href="{{ participant.url('wallet/payin/?currency=' + low_balance.currency) }}" style="{{ button_style('primary') }}">{{
     _("Add money") }}</a></p>
 
 [---] text/plain
 {{ _("You have {0} left in your Liberapay wallet, but you need at least {1} to cover your donations next week.",
      low_balance, needed) }}
 
-{{ _("Add money") }}: {{ participant.url('wallet/payin/') }}
+{{ _("Add money") }}: {{ participant.url('wallet/payin/?currency=' + low_balance.currency) }}