diff --git a/src/PVE/RESTHandler.pm b/src/PVE/RESTHandler.pm
index b0bb431..1eea32a 100644
--- a/src/PVE/RESTHandler.pm
+++ b/src/PVE/RESTHandler.pm
@@ -255,7 +255,7 @@ sub register_method {
     foreach my $comp (split(/\/+/, $info->{path})) {
 	die "$errprefix path compoment has zero length\n" if $comp eq '';
 	my ($name, $regex);
-	if ($comp =~ m/^\{(\w+)(?::(.*))?\}$/) {
+	if ($comp =~ m/^\{([\w-]+)(?::(.*))?\}$/) {
 	    $name = $1;
 	    $regex = $2 ? $2 : '\S+';
 	    push @$match_re, $regex;