diff --git a/src/fuse_readdir_cosr.cpp b/src/fuse_readdir_cosr.cpp
index 4f6a220d..8538fe09 100644
--- a/src/fuse_readdir_cosr.cpp
+++ b/src/fuse_readdir_cosr.cpp
@@ -63,6 +63,7 @@ FUSE::ReadDirSeq::opendir(const fuse_req_ctx_t *ctx_,
                           const char           *fusepath_,
                           fuse_file_info_t     *ffi_)
 {
+  abort();
   DirInfo *di;
 
   di = new DirInfo(fusepath_);