diff --git a/src/Symfony/Component/Cache/Adapter/PhpFilesAdapter.php b/src/Symfony/Component/Cache/Adapter/PhpFilesAdapter.php
index 2fb08375a1b40..d47c4053011cd 100644
--- a/src/Symfony/Component/Cache/Adapter/PhpFilesAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/PhpFilesAdapter.php
@@ -82,7 +82,7 @@ public function prune()
                 }
 
                 if ($time >= $expiresAt) {
-                    $pruned = $this->doUnlink($file) && !file_exists($file) && $pruned;
+                    $pruned = ($this->doUnlink($file) || !file_exists($file)) && $pruned;
                 }
             }
         } finally {
diff --git a/src/Symfony/Component/Cache/Traits/FilesystemTrait.php b/src/Symfony/Component/Cache/Traits/FilesystemTrait.php
index 38b741f1cc9c3..f2873d9efd528 100644
--- a/src/Symfony/Component/Cache/Traits/FilesystemTrait.php
+++ b/src/Symfony/Component/Cache/Traits/FilesystemTrait.php
@@ -40,7 +40,7 @@ public function prune()
 
             if (($expiresAt = (int) fgets($h)) && $time >= $expiresAt) {
                 fclose($h);
-                $pruned = @unlink($file) && !file_exists($file) && $pruned;
+                $pruned = (@unlink($file) || !file_exists($file)) && $pruned;
             } else {
                 fclose($h);
             }