1 files changed, 1 insertions, 1 deletions

diff --git a/src/fontset.c b/src/fontset.c
index 97bdbcef5bf..5fc92feb130 100644
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -1983,7 +1983,7 @@ format is the same as above.  */)
                   for (j = 0; j < ASIZE (val); j++)
                     {
                       elt = AREF (val, j);
-                      if (FONT_OBJECT_P (RFONT_DEF_OBJECT (elt)))
+                      if (!NILP (elt) && FONT_OBJECT_P (RFONT_DEF_OBJECT (elt)))
                         {
                           Lisp_Object font_object = RFONT_DEF_OBJECT (elt);
                           Lisp_Object slot, name;