diff --git a/src/Resizer.php b/src/Resizer.php
index 4414dc4..9a17315 100644
--- a/src/Resizer.php
+++ b/src/Resizer.php
@@ -12,6 +12,7 @@
 
 use Imagine\Exception\RuntimeException as ImagineRuntimeException;
 use Symfony\Component\Filesystem\Filesystem;
+use Webmozart\PathUtil\Path;
 
 /**
  * Resizer class.
@@ -165,7 +166,7 @@ protected function createImage(ImageInterface $image, $path)
      * @param ResizeCoordinatesInterface $coordinates
      * @param ResizeOptionsInterface     $options
      *
-     * @return string The realtive target path
+     * @return string The relative target path
      */
     private function createCachePath($path, ResizeCoordinatesInterface $coordinates, ResizeOptionsInterface $options)
     {
@@ -174,7 +175,11 @@ private function createCachePath($path, ResizeCoordinatesInterface $coordinates,
         ksort($imagineOptions);
 
         $hash = substr(md5(implode('|', array_merge(
-            [$path, filemtime($path), $coordinates->getHash()],
+            [
+                Path::makeRelative($path, $this->cacheDir),
+                filemtime($path),
+                $coordinates->getHash(),
+            ],
             array_keys($imagineOptions),
             array_values($imagineOptions)
         ))), 0, 9);
diff --git a/tests/ResizerTest.php b/tests/ResizerTest.php
index 888dfe9..adad8b1 100644
--- a/tests/ResizerTest.php
+++ b/tests/ResizerTest.php
@@ -300,6 +300,44 @@ public function testResizeCache()
         $this->assertNotEquals($imagePath, $resizedImage->getPath());
         $this->assertEquals(100, getimagesize($resizedImage->getPath())[0], 'New cache file should have been created');
 
+        // With different paths, but same relative path
+        $subDir = $this->rootDir.'/sub/dir';
+
+        mkdir($subDir, 0777, true);
+        copy($this->rootDir.'/dummy.jpg', $subDir.'/dummy.jpg');
+        touch($subDir.'/dummy.jpg', filemtime($this->rootDir.'/dummy.jpg'));
+
+        $subResizer = $this->createResizer($subDir, $calculator);
+
+        $subImage = $this
+            ->getMockBuilder('Contao\Image\Image')
+            ->disableOriginalConstructor()
+            ->getMock()
+        ;
+
+        $subImage
+            ->method('getDimensions')
+            ->willReturn(new ImageDimensions(new Box(200, 200)))
+        ;
+
+        $subImage
+            ->method('getPath')
+            ->willReturn($subDir.'/dummy.jpg')
+        ;
+
+        $subImage
+            ->method('getImagine')
+            ->willReturn(new GdImagine())
+        ;
+
+        $resizedImage = $subResizer->resize($subImage, $configuration, (new ResizeOptions())->setBypassCache(true));
+
+        $this->assertEquals(
+            substr($imagePath, strlen($this->rootDir)),
+            substr($resizedImage->getPath(), strlen($subDir)),
+            'The hash should be the same if the image path relative to the cacheDir is the same'
+        );
+
         // Without cache
         $resizedImage = $resizer->resize($image, $configuration, (new ResizeOptions())->setBypassCache(true));