diff --git a/composer.json b/composer.json
index f20e23b..394af59 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
     "minimum-stability": "dev",
 	"prefer-stable": true,
     "require": {
-        "leafs/fs": "^1.3",
+        "leafs/fs": "^2.0",
         "leafs/date": "*"
     }
 }
diff --git a/src/LogWriter.php b/src/LogWriter.php
index 678882e..ea0a169 100755
--- a/src/LogWriter.php
+++ b/src/LogWriter.php
@@ -25,7 +25,7 @@ public function __construct(string $file, bool $createFile = false)
     {
         if (!file_exists($file)) {
             if ($createFile) {
-                FS::createFile($file);
+                FS\File::create($file);
             } else {
                 trigger_error(basename($file) . " not found in " . dirname($file), E_USER_ERROR);
             }
@@ -60,17 +60,21 @@ public function write($message, $level = null)
 
     protected function writeAsLeaf($message, $level)
     {
-        FS::prepend(
+        FS\File::write(
             $this->logFile,
-            (string) "[" . (new \Leaf\Date())->tick()->now() . "]\n" . $level . "$message\n"
+            function ($content) use ($message, $level) {
+                return "[" . (new \Leaf\Date())->tick()->now() . "]\n" . $level . "$message\n\n" . $content;
+            },
         );
     }
 
     protected function writeAsLinux($message, $level)
     {
-        FS::append(
+        FS\File::write(
             $this->logFile,
-            (string) "[" . (new \Leaf\Date())->tick()->now() . "] " . $level . "$message\n"
+            function ($content) use ($message, $level) {
+                return "[" . (new \Leaf\Date())->tick()->now() . "] " . $level . "$message\n\n" . $content;
+            },
         );
     }
 }