1 files changed, 1 insertions, 1 deletions

diff --git a/src/fns.c b/src/fns.c
index 49c185178ff..1cf63384218 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -147,7 +147,7 @@ efficient.  */)
   else if (VECTORP (sequence))
     val = ASIZE (sequence);
   else if (CHAR_TABLE_P (sequence))
-    val = MAX_CHAR;
+    val = MAX_CHAR + 1;
   else if (BOOL_VECTOR_P (sequence))
     val = bool_vector_size (sequence);
   else if (CLOSUREP (sequence) || RECORDP (sequence))