diff --git a/src/libstrongswan/crypto/certinfo.c b/src/libstrongswan/crypto/certinfo.c
index baebe3fc0..29f2c5fcc 100644
--- a/src/libstrongswan/crypto/certinfo.c
+++ b/src/libstrongswan/crypto/certinfo.c
@@ -47,6 +47,11 @@ struct private_certinfo_t {
 	 */
 	cert_status_t status;
 
+	/**
+	 * Certificate status is for one-time use only
+	 */
+	bool once;
+
 	/**
 	 * Time when the certificate status info was generated
 	 */