diff --git a/src/PVE/APIServer/Formatter/Standard.pm b/src/PVE/APIServer/Formatter/Standard.pm
index c4def16..df864af 100644
--- a/src/PVE/APIServer/Formatter/Standard.pm
+++ b/src/PVE/APIServer/Formatter/Standard.pm
@@ -8,6 +8,7 @@ use HTTP::Status;
 use JSON;
 use HTML::Entities;
 use PVE::JSONSchema;
+use Encode qw/decode/;
 
 # register result formatters
 
@@ -56,7 +57,7 @@ PVE::APIServer::Formatter::register_formatter('json', sub {
     prepare_response_data('json', $res);
 
     my $raw = to_json($res->{data}, {utf8 => 1, allow_nonref => 1});
-
+    $raw = decode('UTF-8', $raw, Encode::FB_DEFAULT);
     return ($raw, $ct, $nocomp);
 });
 
@@ -71,7 +72,7 @@ PVE::APIServer::Formatter::register_formatter('extjs', sub {
     prepare_response_data('extjs', $res);
 
     my $raw = to_json($res->{data}, {utf8 => 1, allow_nonref => 1});
-
+    $raw = decode('UTF-8', $raw, Encode::FB_DEFAULT);
     return ($raw, $ct, $nocomp);
 });
 
@@ -87,7 +88,7 @@ PVE::APIServer::Formatter::register_formatter('htmljs', sub {
     prepare_response_data('htmljs', $res);
 
     my $raw = encode_entities(to_json($res->{data}, {allow_nonref => 1}));
-
+    $raw = decode('UTF-8', $raw, Encode::FB_DEFAULT);
     return ($raw, $ct, $nocomp);
 });