diff --git a/crypto/cms/cms.h b/crypto/cms/cms.h
index feddd24fcaf239de7a1c6e5d8e839681c87d7a41..09c45d0412aa184b41848d660f3ec895156bb1fb 100644
--- a/crypto/cms/cms.h
+++ b/crypto/cms/cms.h
@@ -235,6 +235,7 @@ STACK_OF(X509) *CMS_get1_certs(CMS_ContentInfo *cms);
 
 CMS_RevocationInfoChoice *CMS_add0_RevocationInfoChoice(CMS_ContentInfo *cms);
 int CMS_add0_crl(CMS_ContentInfo *cms, X509_CRL *crl);
+int CMS_add1_crl(CMS_ContentInfo *cms, X509_CRL *crl);
 STACK_OF(X509_CRL) *CMS_get1_crls(CMS_ContentInfo *cms);
 
 int CMS_SignedData_init(CMS_ContentInfo *cms);
diff --git a/crypto/cms/cms_lib.c b/crypto/cms/cms_lib.c
index c629baf0e3922d382e4b4cb25e5422075bb366fc..6c0d5c097cc213fd35cb978fb17926f17003d2ba 100644
--- a/crypto/cms/cms_lib.c
+++ b/crypto/cms/cms_lib.c
@@ -548,6 +548,15 @@ int CMS_add0_crl(CMS_ContentInfo *cms, X509_CRL *crl)
 	return 1;
 	}
 
+int CMS_add1_crl(CMS_ContentInfo *cms, X509_CRL *crl)
+	{
+	int r;
+	r = CMS_add0_crl(cms, crl);
+	if (r > 0)
+		CRYPTO_add(&crl->references, 1, CRYPTO_LOCK_X509_CRL);
+	return r;
+	}
+
 STACK_OF(X509) *CMS_get1_certs(CMS_ContentInfo *cms)
 	{
 	STACK_OF(X509) *certs = NULL;
diff --git a/doc/crypto/CMS_add0_cert.pod b/doc/crypto/CMS_add0_cert.pod
index 2670bfa9251fb7a8cd84d2b32e43829bc2c6c5d1..9c13f488f61a92f622ed36c5144539f5ce87bc95 100644
--- a/doc/crypto/CMS_add0_cert.pod
+++ b/doc/crypto/CMS_add0_cert.pod
@@ -13,6 +13,7 @@
  STACK_OF(X509) *CMS_get1_certs(CMS_ContentInfo *cms);
 
  int CMS_add0_crl(CMS_ContentInfo *cms, X509_CRL *crl);
+ int CMS_add1_crl(CMS_ContentInfo *cms, X509_CRL *crl);
  STACK_OF(X509_CRL) *CMS_get1_crls(CMS_ContentInfo *cms);
 
 
@@ -23,8 +24,8 @@ must be of type signed data or enveloped data.
 
 CMS_get1_certs() returns all certificates in B<cms>.
 
-CMS_add0_crl() adds CRL B<crl> to B<cms>. CMS_get1_crls() returns any CRLs in
-B<cms>.
+CMS_add0_crl() and CMS_add1_crl() add CRL B<crl> to B<cms>. CMS_get1_crls()
+returns any CRLs in B<cms>.
 
 =head1 NOTES
 
@@ -44,8 +45,8 @@ than once.
 
 =head1 RETURN VALUES
 
-CMS_add0_cert(), CMS_add1_cert() and CMS_add0_crl() return 1 for success and
-0 for failure. 
+CMS_add0_cert(), CMS_add1_cert() and CMS_add0_crl() and CMS_add1_crl() return
+1 for success and 0 for failure. 
 
 CMS_get1_certs() and CMS_get1_crls() return the STACK of certificates or CRLs
 or NULL if there are none or an error occurs. The only error which will occur