diff --git a/src/fuse_open.cpp b/src/fuse_open.cpp
index 41fff404..8cd52f97 100644
--- a/src/fuse_open.cpp
+++ b/src/fuse_open.cpp
@@ -271,6 +271,8 @@ namespace FUSE
     const fuse_context *fc  = fuse_get_context();
     const ugid::Set     ugid(fc->uid,fc->gid);
 
+    ffi_->flags |= O_RDWR;
+    
     l::config_to_ffi_flags(cfg,fc->pid,ffi_);
 
     if(cfg->writeback_cache)