1 files changed, 2 insertions, 1 deletions
diff --git a/ares/ares_init.c b/ares/ares_init.c
index bc6a0ea6b..06dbb6cfe 100644
--- a/ares/ares_init.c
+++ b/ares/ares_init.c
@@ -1322,7 +1322,8 @@ static void init_id_key(rc4_key* key,int key_data_len)
   randomize_key(key->state,key_data_len);
   state = &key->state[0];
   for(counter = 0; counter < 256; counter++)
-        state[counter] = counter;
+    /* unnecessary AND but it keeps some compilers happier */
+    state[counter] = counter & 0xff;
   key->x = 0;
   key->y = 0;
   index1 = 0;