1 files changed, 2 insertions, 1 deletions
diff --git a/src/koi8.c b/src/koi8.c
index 9c11776..80f89e9 100644
--- a/src/koi8.c
+++ b/src/koi8.c
@@ -248,5 +248,6 @@ OnigEncodingType OnigEncodingKOI8 = {
   onigenc_single_byte_left_adjust_char_head,
   onigenc_always_true_is_allowed_reverse_match,
   NULL, /* init */
-  NULL  /* is_initialized */
+  NULL, /* is_initialized */
+  onigenc_always_true_is_valid_mbc_string
 };