1 files changed, 1 insertions, 1 deletions

diff --git a/src/data.c b/src/data.c
index b23bcbe15b3..bef2888a969 100644
--- a/src/data.c
+++ b/src/data.c
@@ -928,7 +928,7 @@ store_symval_forwarding (union Lisp_Fwd *valcontents, register Lisp_Object newva
         Lisp_Object type = XBUFFER_OBJFWD (valcontents)->slottype;
 
         if (!(NILP (type) || NILP (newval)
-              || (XINT (type) == LISP_INT_TAG
+              || (XINT (type) == Lisp_Int0
                   ? INTEGERP (newval)
                   : XTYPE (newval) == XINT (type))))
           buffer_slot_type_mismatch (newval, XINT (type));