diff --git a/File.php b/File.php
index cbe4c57..93f00f6 100644
--- a/File.php
+++ b/File.php
@@ -118,12 +118,12 @@ abstract class File
 		if ($this->getIsNoEmpty()) {
             @unlink($this->getRealPath());
 		}
-		if (get_parent_class($this) == 'Image') {
+		if (get_parent_class($this) == 'dimti\Image\Image') {
 			$image = $this;
 			foreach ($image->getSizes() as $size) {
 				$image_variant = $image->getVariant($size);
 				if ($image_variant->getIsNoEmpty()) {
-					@unlink($image->getRealPath());
+					@unlink($image_variant->getRealPath());
 				}
 			}
 		}