diff --git a/plugins/securityPolicies/openssl/ua_pki_openssl.c b/plugins/securityPolicies/openssl/ua_pki_openssl.c
index ba74eaaa2..ee4616b57 100755
--- a/plugins/securityPolicies/openssl/ua_pki_openssl.c
+++ b/plugins/securityPolicies/openssl/ua_pki_openssl.c
@@ -78,6 +78,8 @@ UA_CertificateVerification_clear (UA_CertificateVerification * cv) {
     UA_CertContext_sk_free (context);
     UA_free (context);
 
+    cv->context = NULL;
+
     return;
 }