1 files changed, 1 insertions, 1 deletions

diff --git a/io.c b/io.c
index 29be9e13ee..527f9db007 100644
--- a/io.c
+++ b/io.c
@@ -3514,7 +3514,7 @@ rb_io_binmode(VALUE io)
     return io;
 }
 
-static VALUE
+VALUE
 rb_io_ascii8bit_binmode(VALUE io)
 {
     rb_io_t *fptr;