diff --git a/lam/lib/account.inc b/lam/lib/account.inc
index 620d94d7..366fe997 100644
--- a/lam/lib/account.inc
+++ b/lam/lib/account.inc
@@ -992,6 +992,9 @@ class moduleCache {
  * @return int random number
  */
 function getRandomNumber() {
+	if (function_exists('openssl_random_pseudo_bytes')) {
+		return hexdec(bin2hex(openssl_random_pseudo_bytes(5)));
+	}
 	return mt_rand();
 }