diff --git a/skeletons/constr_SET.c b/skeletons/constr_SET.c
index 647bb83..d9f93c3 100644
--- a/skeletons/constr_SET.c
+++ b/skeletons/constr_SET.c
@@ -259,7 +259,7 @@
 				ASN_DEBUG("Skipping unknown tag %s",
 					ber_tlv_tag_string(tlv_tag));
 
-				skip = ber_skip_length(
+				skip = ber_skip_length(opt_codec_ctx,
 					BER_TLV_CONSTRUCTED(ptr),
 					(char *)ptr + tag_len, LEFT - tag_len);
 
@@ -381,7 +381,7 @@
 				RETURN(RC_FAIL);
 			}
 
-			ll = ber_skip_length(
+			ll = ber_skip_length(opt_codec_ctx,
 				BER_TLV_CONSTRUCTED(ptr),
 				(char *)ptr + tl, LEFT - tl);
 			switch(ll) {