diff --git a/fs/cifs/asn1.c b/fs/cifs/asn1.c
index 6bb440b257b0..669d0640b6d6 100644
--- a/fs/cifs/asn1.c
+++ b/fs/cifs/asn1.c
@@ -494,7 +494,8 @@ decode_negTokenInit(unsigned char *security_blob, int length,
 		/*      remember to free obj->oid */
 		rc = asn1_header_decode(&ctx, &end, &cls, &con, &tag);
 		if (rc) {
-			if ((tag == ASN1_OJI) && (con == ASN1_PRI)) {
+			if ((tag == ASN1_OJI) && (con == ASN1_PRI) &&
+			    (cls == ASN1_UNI)) {
 				rc = asn1_oid_decode(&ctx, end, &oid, &oidlen);
 				if (rc) {
 					rc = compare_oid(oid, oidlen,