diff --git a/lib/AccountManager/App.pm b/lib/AccountManager/App.pm
index 4cd6fdab33a80972789e7b0fd9f872937ecb39f6..b3fc263b582a00c8fa81c38e0c558a5cf0feab87 100644
--- a/lib/AccountManager/App.pm
+++ b/lib/AccountManager/App.pm
@@ -194,7 +194,7 @@ sub respond {
 
     $self->{logger}->debug("Responding with template '$in{template}'");
 
-    binmode(STDOUT, ":utf8");
+    binmode(STDOUT, ":encoding(UTF-8)");
 
     my $cookie = CGI::Simple::Cookie->new(
         -name    => 'lang',
@@ -627,7 +627,7 @@ sub req_download_accounts {
         ],
     );
 
-    binmode(STDOUT, ":utf8");
+    binmode(STDOUT, ":encoding(UTF-8)");
 
     print $self->{cgi}->header(
         -type                => 'text/csv',