diff --git a/pkg/client/rp/relying_party.go b/pkg/client/rp/relying_party.go
index 3094f23..ca1c0ec 100644
--- a/pkg/client/rp/relying_party.go
+++ b/pkg/client/rp/relying_party.go
@@ -154,6 +154,8 @@ func NewRelyingPartyOAuth(config *oauth2.Config, options ...Option) (RelyingPart
 		}
 	}
 
+	_ = rp.IDTokenVerifier()
+
 	return rp, nil
 }