1 files changed, 2 insertions, 2 deletions
diff --git a/regenc.c b/regenc.c
index 62bf661525..57f0e43001 100644
--- a/regenc.c
+++ b/regenc.c
@@ -73,13 +73,13 @@ onigenc_get_right_adjust_char_head(OnigEncoding enc, const UChar* start, const U
 
 extern UChar*
 onigenc_get_right_adjust_char_head_with_prev(OnigEncoding enc,
-				   const UChar* start, const UChar* s, const UChar** prev)
+				   const UChar* start, const UChar* s, const UChar* end, const UChar** prev)
 {
   UChar* p = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s);
 
   if (p < s) {
     if (prev) *prev = (const UChar* )p;
-    p += enclen(enc, p, s);
+    p += enclen(enc, p, end);
   }
   else {
     if (prev) *prev = (const UChar* )NULL; /* Sorry */