diff --git a/app/MediaUpload.php b/app/MediaUpload.php
index d4c68220c..83326219a 100644
--- a/app/MediaUpload.php
+++ b/app/MediaUpload.php
@@ -13,12 +13,20 @@ class MediaUpload extends Model
         'disk',
     ];
 
+    /**
+     * New Nova uploads go to the main S3 disk. The resources bucket
+     * currently denies PutObject for the shared IAM user.
+     */
+    protected $attributes = [
+        'disk' => 's3',
+    ];
+
     public function getResolvedUrlAttribute(): ?string
     {
         if (empty($this->file_path)) {
             return null;
         }
 
-        return Storage::disk($this->disk ?: 'resources')->url($this->file_path);
+        return Storage::disk($this->disk ?: 's3')->url($this->file_path);
     }
 }
diff --git a/app/Nova/Actions/BulkUploadMediaFiles.php b/app/Nova/Actions/BulkUploadMediaFiles.php
index 2dd8cb8bd..d575f0f1c 100644
--- a/app/Nova/Actions/BulkUploadMediaFiles.php
+++ b/app/Nova/Actions/BulkUploadMediaFiles.php
@@ -64,7 +64,7 @@ public function handle(ActionFields $fields, Collection $models)
             $safeBaseName = Str::slug($baseName) ?: 'upload-file';
             $destination = 'nova/uploads/' . now()->format('Y/m');
             $finalFileName = $safeBaseName . '-' . Str::random(8) . '.' . $extension;
-            $storedPath = $file->storeAs($destination, $finalFileName, 'resources');
+            $storedPath = $file->storeAs($destination, $finalFileName, 's3');
 
             if (!$storedPath) {
                 $skipped++;
@@ -74,7 +74,7 @@ public function handle(ActionFields $fields, Collection $models)
             MediaUpload::create([
                 'title' => trim(str_replace(['-', '_'], ' ', $baseName)),
                 'file_path' => $storedPath,
-                'disk' => 'resources',
+                'disk' => 's3',
             ]);
 
             $uploaded++;
diff --git a/app/Nova/MediaUpload.php b/app/Nova/MediaUpload.php
index 494bde6a2..5623dcfea 100644
--- a/app/Nova/MediaUpload.php
+++ b/app/Nova/MediaUpload.php
@@ -47,12 +47,12 @@ public function fields(Request $request): array
             })->onlyOnIndex(),
 
             File::make('File', 'file_path')
-                ->disk('resources')
+                ->disk('s3')
                 ->path('nova/uploads')
                 ->prunable()
                 ->creationRules('required')
                 ->rules('required', 'max:51200', 'mimes:jpg,jpeg,png,gif,webp,svg,pdf,doc,docx,ppt,pptx,xls,xlsx,txt')
-                ->help('Uploads directly to S3 disk "resources" under folder "nova/uploads".'),
+                ->help('Uploads to the main S3 disk under folder "nova/uploads".'),
 
             Text::make('URL', function () {
                 return $this->renderUrlWithCopy($this->resolved_url);