diff --git a/PVE/Storage/SheepdogPlugin.pm b/PVE/Storage/SheepdogPlugin.pm
index 33b83bb..46c2bd5 100644
--- a/PVE/Storage/SheepdogPlugin.pm
+++ b/PVE/Storage/SheepdogPlugin.pm
@@ -432,6 +432,7 @@ sub volume_has_feature {
    my $features = {
 	snapshot => { current => 1, snap => 1},
 	clone => { base => 1},
+	copy => { base => 1, current => 1, snap => 1},
     };
 
     my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =