diff --git a/lib/files/filesystem.php b/lib/files/filesystem.php
index d60d430d77cb76da949ad7d8e712170d93d453f0..d0cac9dc1d3f07bc2577cfeccaa34bc6547caf33 100644
--- a/lib/files/filesystem.php
+++ b/lib/files/filesystem.php
@@ -236,7 +236,9 @@ class Filesystem {
 	}
 
 	static public function initMounts(){
-		self::$mounts = new Mount\Manager();
+		if(!self::$mounts) {
+			self::$mounts = new Mount\Manager();
+		}
 	}
 
 	/**