diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 182b5d1e..e0309c3e 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -3774,7 +3774,8 @@ sub restore_vma_archive {
 
 	    my $write_zeros = 1;
 	    # fixme: what other storages types initialize volumes with zero?
-	    if ($scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs') {
+	    if ($scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs' || 
+		$scfg->{type} eq 'sheepdog' || $scfg->{type} eq 'rbd') {
 		$write_zeros = 0;
 	    }