diff --git a/mozilla/security/nss/lib/libpkix/include/pkixt.h b/mozilla/security/nss/lib/libpkix/include/pkixt.h
index 01d38644e94..b44e2473e13 100755
--- a/mozilla/security/nss/lib/libpkix/include/pkixt.h
+++ b/mozilla/security/nss/lib/libpkix/include/pkixt.h
@@ -478,6 +478,7 @@ PKIX_Error* PKIX_ALLOC_ERROR(void);
 #define PKIX_POLICYCONSTRAINTS_OID "2.5.29.36"
 #define PKIX_EXTENDEDKEYUSAGE_OID "2.5.29.37"
 #define PKIX_INHIBITANYPOLICY_OID "2.5.29.54"
+#define PKIX_NSCERTTYPE_OID "2.16.840.1.113730.1.1"
 
 #ifdef __cplusplus
 }
diff --git a/mozilla/security/nss/lib/libpkix/pkix/top/pkix_build.c b/mozilla/security/nss/lib/libpkix/pkix/top/pkix_build.c
index 49da22f4ee5..ef670997e91 100755
--- a/mozilla/security/nss/lib/libpkix/pkix/top/pkix_build.c
+++ b/mozilla/security/nss/lib/libpkix/pkix/top/pkix_build.c
@@ -57,6 +57,7 @@ static char *buildCheckedCritExtOIDs[] = {
         PKIX_BASICCONSTRAINTS_OID,
         PKIX_NAMECONSTRAINTS_OID,
         PKIX_EXTENDEDKEYUSAGE_OID,
+        PKIX_NSCERTTYPE_OID,
         NULL
 };