1 files changed, 1 insertions, 1 deletions

diff --git a/src/fontset.c b/src/fontset.c
index ee6ef213af7..8d4507530fa 100644
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -356,7 +356,7 @@ fontset_set (fontset, c, newelt)
       if (!SUB_CHAR_TABLE_P (*elt))
         {
           Lisp_Object val = *elt;
-          *elt = make_sub_char_table (val);
+          *elt = make_sub_char_table (Qnil);
           XCHAR_TABLE (*elt)->defalt = val;
         }
       elt = &XCHAR_TABLE (*elt)->contents[code[i]];