diff --git a/src/PVE/QemuServer.pm b/src/PVE/QemuServer.pm
index 8e330377..ec554c4a 100644
--- a/src/PVE/QemuServer.pm
+++ b/src/PVE/QemuServer.pm
@@ -7638,11 +7638,11 @@ sub do_snapshots_type {
     #we use storage snapshot if vm is not running or if disk is unused;
     return 'storage' if !$running || !$deviceid;
 
-    my $qemu_snapshot_type = PVE::Storage::volume_support_qemu_snapshot($storecfg, $volid);
-    # if running, but don't support qemu snapshot, we use storage snapshot
-    return 'storage' if !$qemu_snapshot_type;
-
-    return $qemu_snapshot_type;
+    if (my $method = PVE::Storage::volume_qemu_snapshot_method($storecfg, $volid)) {
+        return 'internal' if $method eq 'qemu';
+        return 'external' if $method eq 'mixed';
+    }
+    return 'storage';
 }
 
 =head3 template_create($vmid, $conf [, $disk])
diff --git a/src/PVE/QemuServer/Blockdev.pm b/src/PVE/QemuServer/Blockdev.pm
index 450a31e7..0cc4a0f6 100644
--- a/src/PVE/QemuServer/Blockdev.pm
+++ b/src/PVE/QemuServer/Blockdev.pm
@@ -430,8 +430,8 @@ sub generate_drive_blockdev {
         $child = generate_format_blockdev($storecfg, $drive, $child, $options);
 
         my $support_qemu_snapshots =
-            PVE::Storage::volume_support_qemu_snapshot($storecfg, $drive->{file});
-        if ($support_qemu_snapshots && $support_qemu_snapshots eq 'external') {
+            PVE::Storage::volume_qemu_snapshot_method($storecfg, $drive->{file});
+        if ($support_qemu_snapshots && $support_qemu_snapshots eq 'mixed') {
             my $backing_chain = generate_backing_chain_blockdev(
                 $storecfg, "drive-$drive_id", $drive, $machine_version,
             );
diff --git a/src/PVE/QemuServer/QemuImage.pm b/src/PVE/QemuServer/QemuImage.pm
index 2502a32d..026c24e9 100644
--- a/src/PVE/QemuServer/QemuImage.pm
+++ b/src/PVE/QemuServer/QemuImage.pm
@@ -71,7 +71,7 @@ sub convert {
     my $dst_format = checked_volume_format($storecfg, $dst_volid);
     my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
     my $dst_is_iscsi = ($dst_path =~ m|^iscsi://|);
-    my $support_qemu_snapshots = PVE::Storage::volume_support_qemu_snapshot($storecfg, $src_volid);
+    my $support_qemu_snapshots = PVE::Storage::volume_qemu_snapshot_method($storecfg, $src_volid);
 
     my $cmd = [];
     push @$cmd, '/usr/bin/qemu-img', 'convert', '-p', '-n';
@@ -79,7 +79,7 @@ sub convert {
         if $snapname
         && $src_format eq 'qcow2'
         && $support_qemu_snapshots
-        && $support_qemu_snapshots eq 'internal';
+        && $support_qemu_snapshots eq 'qemu';
     push @$cmd, '-t', 'none' if $dst_scfg->{type} eq 'zfspool';
     push @$cmd, '-T', $cachemode if defined($cachemode);
     push @$cmd, '-r', "${bwlimit}K" if defined($bwlimit);