1 files changed, 1 insertions, 1 deletions
diff --git a/regexec.c b/regexec.c
index 997849695e..56cccfbde6 100644
--- a/regexec.c
+++ b/regexec.c
@@ -4336,7 +4336,7 @@ onig_number_of_capture_histories(regex_t* reg)
 }
 
 extern void
-onig_copy_encoding(OnigEncoding to, OnigEncoding from)
+onig_copy_encoding(OnigEncodingType *to, OnigEncoding from)
 {
   *to = *from;
 }