diff --git a/crypto/ts/ts_asn1.c b/crypto/ts/ts_asn1.c
index f68650595..86d78dc47 100644
--- a/crypto/ts/ts_asn1.c
+++ b/crypto/ts/ts_asn1.c
@@ -67,6 +67,11 @@ ASN1_SEQUENCE(TS_MSG_IMPRINT) = {
 IMPLEMENT_ASN1_FUNCTIONS_const(TS_MSG_IMPRINT)
 IMPLEMENT_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT)
 #ifndef OPENSSL_NO_BIO
+TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT **a)
+	{
+	return ASN1_d2i_bio_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new, d2i_TS_MSG_IMPRINT, bp, a);
+	}
+
 int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a)
 {
 	return ASN1_i2d_bio_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, bp, a);