1 files changed, 1 insertions, 0 deletions
diff --git a/sv.c b/sv.c
index 1090384cd8..4f03736330 100644
--- a/sv.c
+++ b/sv.c
@@ -15596,6 +15596,7 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags,
     PL_utf8_totitle	= sv_dup_inc(proto_perl->Iutf8_totitle, param);
     PL_utf8_tolower	= sv_dup_inc(proto_perl->Iutf8_tolower, param);
     PL_utf8_tofold	= sv_dup_inc(proto_perl->Iutf8_tofold, param);
+    PL_utf8_tosimplefold	= sv_dup_inc(proto_perl->Iutf8_tosimplefold, param);
     PL_utf8_charname_begin = sv_dup_inc(proto_perl->Iutf8_charname_begin, param);
     PL_utf8_charname_continue = sv_dup_inc(proto_perl->Iutf8_charname_continue, param);