diff --git a/extensions/Servers/Proxmox/Livewire/Storage.php b/extensions/Servers/Proxmox/Livewire/Storage.php
index 965d4248c..ec018b2a1 100644
--- a/extensions/Servers/Proxmox/Livewire/Storage.php
+++ b/extensions/Servers/Proxmox/Livewire/Storage.php
@@ -760,6 +760,7 @@ class Storage extends Component
         }
 
         $driveKey = $this->detachingDriveKey;
+        $drive = $this->drives[$driveKey];
 
         // Check VM status - must be stopped to detach
         if ($this->status && $this->status->status !== 'stopped') {
@@ -770,11 +771,24 @@ class Storage extends Component
         try {
             $proxmox = new Proxmox;
 
-            // Use the delete parameter to remove the disk from the config (keeps the volume as unused)
+            // Get current config to find next unused slot
+            $config = $proxmox->request(
+                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/config'
+            );
+
+            // Find the next available unused slot
+            $unusedIndex = 0;
+            while (isset($config['data']['unused' . $unusedIndex])) {
+                $unusedIndex++;
+            }
+
+            // Move the disk to an unused slot instead of deleting it
+            // This preserves the volume data
             $proxmox->request(
                 '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/config',
                 'put',
                 [
+                    'unused' . $unusedIndex => $drive['volume'],
                     'delete' => $driveKey,
                 ]
             );