diff --git a/WebLoader/Compiler.php b/WebLoader/Compiler.php
index 370995e..6f1de2c 100644
--- a/WebLoader/Compiler.php
+++ b/WebLoader/Compiler.php
@@ -140,7 +140,7 @@ public function getLastModified(array $files = null)
 		$modified = 0;
 
 		foreach ($files as $file) {
-			$modified = max($modified, filemtime($file));
+			$modified = max($modified, filemtime(realpath($file)));
 		}
 
 		return $modified;