diff --git a/core/ManifestBuilder.php b/core/ManifestBuilder.php
index b0f3cc057..cbae853a4 100644
--- a/core/ManifestBuilder.php
+++ b/core/ManifestBuilder.php
@@ -141,13 +141,14 @@ class ManifestBuilder {
 		foreach($topLevel as $file) {
 			if($file[0] == '.') continue
 			
+			$fullPath = '';
 			$fullPath = $baseDir . '/' . $file;
 
-			if(@is_dir($fullPath . '/') && file_exists($fullPath . '/_exclude.php'))
+			if(@is_dir($fullPath . '/') && file_exists($fullPath . '/_exclude.php')) {
 				require_once($fullPath . '/_exclude.php');
+			}
 		}
 
-
 		// Class manifest
 		$classManifest = array();
 		if(is_array(self::$restrict_to_modules) && count(self::$restrict_to_modules)) {