diff --git a/src/mergerfs_webui.cpp b/src/mergerfs_webui.cpp
index 5595d2e6..9d0307db 100644
--- a/src/mergerfs_webui.cpp
+++ b/src/mergerfs_webui.cpp
@@ -224,7 +224,9 @@ _valid_fs_type(const fs::path    &path_,
           str::startswith(path_,"/srv")))
     return false;
 
-  if(not str::startswith(path_,{"/mnt"}))
+  auto valid_mount_prefixes =
+    {"/mnt","/media","/opt","/tmp","/srv"};
+  if(not str::startswith(path_,valid_mount_prefixes))
     return false;
 
   IERT("ext2");