diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index a6047e5a..79b419f7 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -147,7 +147,7 @@ my $check_vm_modify_config_perm = sub {
 	    $rpcenv->check_vm_perm($authuser, $vmid, $pool, ['VM.Config.CPU']);
 	} elsif ($opt eq 'boot' || $opt eq 'bootdisk') {
 	    $rpcenv->check_vm_perm($authuser, $vmid, $pool, ['VM.Config.Disk']);
-	} elsif ($opt eq 'memory' || $opt eq 'balloon') {
+	} elsif ($opt eq 'memory' || $opt eq 'balloon' || $opt eq 'shares') {
 	    $rpcenv->check_vm_perm($authuser, $vmid, $pool, ['VM.Config.Memory']);
 	} elsif ($opt eq 'args' || $opt eq 'lock') {
 	    die "only root can set '$opt' config\n";