diff --git a/skeletons/constr_SET_OF.c b/skeletons/constr_SET_OF.c
index b4b8bb1..f2a711b 100644
--- a/skeletons/constr_SET_OF.c
+++ b/skeletons/constr_SET_OF.c
@@ -981,8 +981,13 @@
 	SET_OF_encode_der,
 	SET_OF_decode_xer,
 	SET_OF_encode_xer,
+#ifdef ASN_DISABLE_OER_SUPPORT
 	0,
 	0,
+#else
+	SET_OF_decode_oer,
+	SET_OF_decode_oer,
+#endif
 #ifdef ASN_DISABLE_PER_SUPPORT
 	0,
 	0,