diff --git a/libfuse/lib/fuse_lowlevel.c b/libfuse/lib/fuse_lowlevel.c
index 4624beaa..bff92959 100644
--- a/libfuse/lib/fuse_lowlevel.c
+++ b/libfuse/lib/fuse_lowlevel.c
@@ -280,7 +280,7 @@ fill_open(struct fuse_open_out   *arg_,
   if(ffi_->passthrough)
     {
       arg_->open_flags |= FOPEN_PASSTHROUGH;
-      //      arg_->open_flags &= ~FOPEN_KEEP_CACHE;
+      arg_->open_flags &= ~FOPEN_KEEP_CACHE;
       arg_->backing_id  = ffi_->backing_id;
     }
 }