1 files changed, 1 insertions, 0 deletions

diff --git a/makedef.pl b/makedef.pl
index 4fb3e7c7bd..9363f8b6e0 100644
--- a/makedef.pl
+++ b/makedef.pl
@@ -800,6 +800,7 @@ my @layer_syms = qw(
 		    PerlIOBuf_unread
 		    PerlIOBuf_write
 		    PerlIO_allocate
+		    PerlIO_apply_layera
 		    PerlIO_apply_layers
 		    PerlIO_arg_fetch
 		    PerlIO_debug