diff --git a/plugins/http/https.c b/plugins/http/https.c
index fce6a3b3..df90c805 100644
--- a/plugins/http/https.c
+++ b/plugins/http/https.c
@@ -226,6 +226,8 @@ void hr_session_ssl_close(struct corerouter_session *cs) {
 	}
 #endif
 
+	// clear the errors (otherwise they could be propagated)
+	ERR_clear_error();
         SSL_free(hr->ssl);
 }