1 files changed, 1 insertions, 0 deletions

diff --git a/src/buffer.c b/src/buffer.c
index 589266f40e5..e907c295e8d 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -5418,6 +5418,7 @@ defvar_per_buffer (bo_fwd, namestring, address, type, doc)
   bo_fwd->type = Lisp_Fwd_Buffer_Obj;
   bo_fwd->offset = offset;
   bo_fwd->slottype = type;
+  sym->declared_special = 1;
   sym->redirect = SYMBOL_FORWARDED;
   {
     /* I tried to do the job without a cast, but it seems impossible.