diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index eb2270c5..8678beff 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -2095,8 +2095,8 @@ sub destroy_vm {
 	});
     }
 
-    # only remove disks owned by this VM
-    PVE::QemuConfig->foreach_volume($conf, sub {
+    # only remove disks owned by this VM (referenced in the config)
+    PVE::QemuConfig->foreach_volume_full($conf, { include_unused => 1 }, sub {
 	my ($ds, $drive) = @_;
  	return if drive_is_cdrom($drive, 1);