diff --git a/PVE/Storage.pm b/PVE/Storage.pm
index dee0d59..0452a2d 100755
--- a/PVE/Storage.pm
+++ b/PVE/Storage.pm
@@ -683,9 +683,9 @@ sub template_list {
 		    $info = { volid => "$sid:iso/$1", format => 'iso' };
 
 		} elsif ($tt eq 'vztmpl') {
-		    next if $fn !~ m!/([^/]+\.tar\.gz)$!;
+		    next if $fn !~ m!/([^/]+\.tar\.([gx]z))$!;
 
-		    $info = { volid => "$sid:vztmpl/$1", format => 'tgz' };
+		    $info = { volid => "$sid:vztmpl/$1", format => "t$2" };
 
 		} elsif ($tt eq 'backup') {
 		    next if $fn !~ m!/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!;
diff --git a/PVE/Storage/Plugin.pm b/PVE/Storage/Plugin.pm
index 092cf9a..310a658 100644
--- a/PVE/Storage/Plugin.pm
+++ b/PVE/Storage/Plugin.pm
@@ -364,7 +364,7 @@ sub parse_volname {
 	return ('images', $name, $vmid, undef, undef, $isBase);
     } elsif ($volname =~ m!^iso/([^/]+\.[Ii][Ss][Oo])$!) {
 	return ('iso', $1);
-    } elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.gz)$!) {
+    } elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.[gx]z)$!) {
 	return ('vztmpl', $1);
     } elsif ($volname =~ m!^rootdir/(\d+)$!) {
 	return ('rootdir', $1, $1);