1 files changed, 1 insertions, 1 deletions
diff --git a/regexec.c b/regexec.c
index e9f6a2b995..3c377d67bb 100644
--- a/regexec.c
+++ b/regexec.c
@@ -227,7 +227,7 @@ onig_region_init(OnigRegion* region)
 }
 
 extern OnigRegion*
-onig_region_new()
+onig_region_new(void)
 {
   OnigRegion* r;