diff --git a/src/Drivers/Vips/VipsDriver.php b/src/Drivers/Vips/VipsDriver.php
index b3ab27b..9e44431 100644
--- a/src/Drivers/Vips/VipsDriver.php
+++ b/src/Drivers/Vips/VipsDriver.php
@@ -42,6 +42,8 @@ class VipsDriver implements ImageDriver
 
     protected Image $image;
 
+    protected string $originalPath;
+
     protected ?string $format = null;
 
     protected int $defaultQuality = 75;
@@ -81,6 +83,7 @@ protected function setImage(Image $image): static
     public function loadFile(string $path, bool $autoRotate = true): static
     {
         $this->optimize = false;
+        $this->originalPath = $path;
 
         // Use 'access' => 'sequential' to avoid libvips file caching issues
         // when the same file path is overwritten between loads
@@ -103,7 +106,11 @@ public function driverName(): string
 
     public function save(string $path = ''): static
     {
-        $extension = strtolower(pathinfo($path, PATHINFO_EXTENSION));
+        if (! $path) {
+            $path = $this->originalPath;
+        }
+
+        $extension = $this->format ?? strtolower(pathinfo($path, PATHINFO_EXTENSION));
 
         if ($this->quality && $extension === 'png') {
             throw CannotOptimizePng::make();
@@ -124,7 +131,7 @@ public function save(string $path = ''): static
             if (str_contains($message, 'is not a known file format') ||
                 str_contains($message, 'unsupported') ||
                 str_contains($message, 'unable to call')) {
-                throw UnsupportedImageFormat::make($extension ?: $this->format ?? 'unknown', $exception);
+                throw UnsupportedImageFormat::make($extension ?: 'unknown', $exception);
             }
 
             throw $exception;
@@ -134,6 +141,8 @@ public function save(string $path = ''): static
             $this->optimizerChain->optimize($path);
         }
 
+        $this->format = null;
+
         return $this;
     }
 
diff --git a/tests/ImageTest.php b/tests/ImageTest.php
index 7557645..58b8d82 100644
--- a/tests/ImageTest.php
+++ b/tests/ImageTest.php
@@ -61,6 +61,17 @@
     expect($targetImage->getWidth())->toEqual(200);
 });
 
+it('can save without a path to overwrite the original file', function (ImageDriver $driver) {
+    $targetFile = $this->tempDir->path("{$driver->driverName()}/save-without-path.jpg");
+
+    copy(getTestJpg(), $targetFile);
+
+    $driver->loadFile($targetFile)->greyscale()->save();
+
+    expect($targetFile)->toBeFile();
+    expect($targetFile)->toHaveMime('image/jpeg');
+})->with('drivers');
+
 it('works with transparent pngs', function (ImageDriver $driver) {
     $targetFile = $this->tempDir->path("{$driver->driverName()}/saving-transparent-png.png");