diff --git a/sources/subs/PackagesFilterIterator.class.php b/sources/subs/PackagesFilterIterator.class.php
index ef3a1104d2..340bb138ce 100644
--- a/sources/subs/PackagesFilterIterator.class.php
+++ b/sources/subs/PackagesFilterIterator.class.php
@@ -41,7 +41,7 @@ public function accept()
 		}
 
 		// Anything that, once extracted, doesn't contain a package-info.xml.
-		if (!($current->isDir()) && file_exists($current->getPathname() . '/package-info.xml'))
+		if (!($current->isDir() && file_exists($current->getPathname() . '/package-info.xml')))
 		{
 			return false;
 		}