1 files changed, 2 insertions, 0 deletions
diff --git a/src/font.c b/src/font.c
index cb3e9c5d326..ed4da9c75ac 100644
--- a/src/font.c
+++ b/src/font.c
@@ -4492,6 +4492,8 @@ created glyph-string.  Otherwise, the value is nil.  */)
     }
   if (i == 3 || XINT (n) == 0)
     return Qnil;
+  if (XINT (n) < LGSTRING_GLYPH_LEN (gstring))
+    LGSTRING_SET_GLYPH (gstring, XINT (n), Qnil);
 
   glyph = LGSTRING_GLYPH (gstring, 0);
   from = LGLYPH_FROM (glyph);