diff --git a/PVE/HTTPServer.pm b/PVE/HTTPServer.pm
index 0ba99f76..3ed5ae26 100755
--- a/PVE/HTTPServer.pm
+++ b/PVE/HTTPServer.pm
@@ -46,7 +46,7 @@ my $baseuri = "/api2";
 sub split_abs_uri {
     my ($abs_uri) = @_;
 
-    my ($format, $rel_uri) = $abs_uri =~ m/^\Q$baseuri\E\/+(html|text|json|extjs|png|htmljs)(\/.*)?$/;
+    my ($format, $rel_uri) = $abs_uri =~ m/^\Q$baseuri\E\/+(html|text|json|extjs|png|htmljs|spiceconfig)(\/.*)?$/;
     $rel_uri = '/' if !$rel_uri;
  
     return wantarray ? ($rel_uri, $format) : $rel_uri;
diff --git a/PVE/REST.pm b/PVE/REST.pm
index d59f88d0..9dafaf59 100644
--- a/PVE/REST.pm
+++ b/PVE/REST.pm
@@ -111,6 +111,17 @@ sub format_response_data {
 	# we use this for extjs file upload forms
 	$ct = 'text/html;charset=UTF-8';
 	$raw = encode_entities(to_json($data, {allow_nonref => 1}));
+    } elsif ($format eq 'spiceconfig') {
+	$ct = 'application/x-spice-configuration;charset=UTF-8';
+	if ($data && ref($data) && ref($data->{data})) {
+	    $raw = "[virt-viewer]\n";
+	    $raw .= "title=$data->{data}->{title}\n" if $data->{data}->{title};
+	    $raw .= "type=$data->{data}->{type}\n" if $data->{data}->{type};
+	    $raw .= "host=$data->{data}->{host}\n" if $data->{data}->{host};
+	    $raw .= "port=$data->{data}->{port}\n" if $data->{data}->{port};
+	    $raw .= "password=$data->{data}->{password}\n" if $data->{data}->{password};
+	    $raw .= "proxy=$data->{data}->{proxy}\n" if $data->{data}->{proxy};
+        }
     } else {
 	$ct = 'text/plain;charset=UTF-8';
 	$raw = to_json($data, {utf8 => 1, allow_nonref => 1, pretty => 1});