diff --git a/src/Definitions/MediaConversionAudio.php b/src/Definitions/MediaConversionAudio.php
index f880855..e3132b4 100644
--- a/src/Definitions/MediaConversionAudio.php
+++ b/src/Definitions/MediaConversionAudio.php
@@ -54,10 +54,13 @@ public function shouldExecute(Media $media, ?MediaConversion $parent): bool
     public function handle(
         Media $media,
         ?MediaConversion $parent,
-        string $file,
+        ?string $file,
         Filesystem $filesystem,
         SpatieTemporaryDirectory $temporaryDirectory
     ): ?MediaConversion {
+        if (! $file) {
+            return null;
+        }
 
         $fileName = $this->fileName ?? "{$media->name}.mp3";
 
diff --git a/src/Definitions/MediaConversionDefinition.php b/src/Definitions/MediaConversionDefinition.php
index 2238700..8fc127d 100644
--- a/src/Definitions/MediaConversionDefinition.php
+++ b/src/Definitions/MediaConversionDefinition.php
@@ -17,7 +17,7 @@ class MediaConversionDefinition
     /**
      * @param  bool  $immediate  Determine if the conversion should be dispatched immediatly after `addMedia`
      * @param  MediaConversionDefinition[]  $conversions
-     * @param  Closure(Media $media, ?MediaConversion $parent, string $file, Filesystem $filesystem, SpatieTemporaryDirectory $temporaryDirectory): ?MediaConversion  $handle
+     * @param  Closure(Media $media, ?MediaConversion $parent, ?string $file, Filesystem $filesystem, SpatieTemporaryDirectory $temporaryDirectory): ?MediaConversion  $handle
      * @param  null|bool|Closure(Media $media, ?MediaConversion $parent): bool  $when
      */
     public function __construct(
@@ -37,7 +37,7 @@ public function __construct(
     public function handle(
         Media $media,
         ?MediaConversion $parent,
-        string $file,
+        ?string $file,
         Filesystem $filesystem,
         SpatieTemporaryDirectory $temporaryDirectory
     ): ?MediaConversion {
@@ -80,18 +80,10 @@ public function execute(Media $media, ?MediaConversion $parent): ?MediaConversio
 
             $source = $parent ?? $media;
 
-            if (! $source->path) {
-                return null;
-            }
-
-            $copy = $source->copyFileTo(
+            $copy = $source->path ? $source->copyFileTo(
                 disk: $storage,
                 path: $source->path
-            );
-
-            if (! $copy) {
-                return null;
-            }
+            ) : null;
 
             return $this->handle($media, $parent, $copy, $storage, $temporaryDirectory);
 
diff --git a/src/Definitions/MediaConversionImage.php b/src/Definitions/MediaConversionImage.php
index 14c47c4..cf4b2b9 100644
--- a/src/Definitions/MediaConversionImage.php
+++ b/src/Definitions/MediaConversionImage.php
@@ -55,10 +55,13 @@ public function shouldExecute(Media $media, ?MediaConversion $parent): bool
     public function handle(
         Media $media,
         ?MediaConversion $parent,
-        string $file,
+        ?string $file,
         Filesystem $filesystem,
         SpatieTemporaryDirectory $temporaryDirectory
     ): ?MediaConversion {
+        if (! $file) {
+            return null;
+        }
 
         $fileName = $this->fileName ?? "{$media->name}.jpg";
 
diff --git a/src/Definitions/MediaConversionPoster.php b/src/Definitions/MediaConversionPoster.php
index 896c15c..0242f63 100644
--- a/src/Definitions/MediaConversionPoster.php
+++ b/src/Definitions/MediaConversionPoster.php
@@ -57,10 +57,13 @@ public function shouldExecute(Media $media, ?MediaConversion $parent): bool
     public function handle(
         Media $media,
         ?MediaConversion $parent,
-        string $file,
+        ?string $file,
         Filesystem $filesystem,
         SpatieTemporaryDirectory $temporaryDirectory
     ): ?MediaConversion {
+        if (! $file) {
+            return null;
+        }
 
         $fileName = $this->fileName ?? "{$media->name}.jpg";
 
diff --git a/src/Definitions/MediaConversionVideo.php b/src/Definitions/MediaConversionVideo.php
index 9df4c2c..a10c5ba 100644
--- a/src/Definitions/MediaConversionVideo.php
+++ b/src/Definitions/MediaConversionVideo.php
@@ -58,11 +58,15 @@ public function shouldExecute(Media $media, ?MediaConversion $parent): bool
     public function handle(
         Media $media,
         ?MediaConversion $parent,
-        string $file,
+        ?string $file,
         Filesystem $filesystem,
         SpatieTemporaryDirectory $temporaryDirectory
     ): ?MediaConversion {
 
+        if (! $file) {
+            return null;
+        }
+
         $fileName = $this->fileName ?? "{$media->name}.mp4";
 
         $source = $parent ?? $media;
diff --git a/src/Models/MediaConversion.php b/src/Models/MediaConversion.php
index fc77352..9506056 100644
--- a/src/Models/MediaConversion.php
+++ b/src/Models/MediaConversion.php
@@ -23,8 +23,6 @@
 use Illuminate\Support\Str;
 
 /**
- * @template TMedia of Media
- *
  * @property int $id
  * @property string $uuid
  * @property string $conversion_name
@@ -85,7 +83,7 @@ public static function booted()
     }
 
     /**
-     * @return BelongsTo<TMedia, MediaConversion>
+     * @return BelongsTo<Media, MediaConversion>
      */
     public function media(): BelongsTo
     {