1 files changed, 4 insertions, 0 deletions
diff --git a/enc/cp949.c b/enc/cp949.c
index 1600d0cd5b..77e961a7cd 100644
--- a/enc/cp949.c
+++ b/enc/cp949.c
@@ -211,7 +211,11 @@ OnigEncodingDefine(cp949, CP949) = {
   onigenc_not_support_get_ctype_code_range,
   cp949_left_adjust_char_head,
   cp949_is_allowed_reverse_match,
+#ifdef USE_CASE_MAP_API
   onigenc_ascii_only_case_map,
+#else
+  NULL,
+#endif
   0,
   ONIGENC_FLAG_NONE,
 };