1 files changed, 1 insertions, 1 deletions

diff --git a/src/charset.c b/src/charset.c
index 5924d2af6dc..e7b080084b2 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -505,7 +505,7 @@ load_charset_map_from_vector (charset, vec, control_flag)
       if (from < min_code || to > max_code || from > to || c > MAX_CHAR)
         continue;
 
-      if ((n_entries % 0x10000) == 0)
+      if (n_entries > 0 && (n_entries % 0x10000) == 0)
         {
           entries->next = ((struct charset_map_entries *)
                            alloca (sizeof (struct charset_map_entries)));