diff --git a/pyasn1_modules/rfc5280.py b/pyasn1_modules/rfc5280.py
index ed5d28f7..a2a461e0 100644
--- a/pyasn1_modules/rfc5280.py
+++ b/pyasn1_modules/rfc5280.py
@@ -1646,7 +1646,7 @@ class PolicyConstraints(univ.Sequence):
     id_ce_extKeyUsage: ExtKeyUsageSyntax(),
     id_ce_cRLDistributionPoints: CRLDistributionPoints(),
     id_pe_authorityInfoAccess: AuthorityInfoAccessSyntax(),
-    id_ce_cRLNumber: univ.Integer(),
+    id_ce_cRLNumber: CRLNumber(),
     id_ce_deltaCRLIndicator: BaseCRLNumber(),
     id_ce_issuingDistributionPoint: IssuingDistributionPoint(),
     id_ce_cRLReasons: CRLReason(),