diff --git a/setup.php b/setup.php
index daba584..906791b 100755
--- a/setup.php
+++ b/setup.php
@@ -53,7 +53,7 @@ if ($getCreds) {
         $db_port = (isset($cmd['pgsql']) ? 5432 : 3306);
         $db_name = 'sermon_notes';
         $db_user = 'root';
-        $pwd = `openssl rand -base64 32 | tr -d '=' | tr -d '+'  | tr -d '/' | tr -d ' '`;
+        $pwd = shell_exec("openssl rand -base64 32 | tr -d '=' | tr -d '+'  | tr -d '/' | tr -d ' '");
         $db_password = substr($pwd, 0, 32);
 
         if (isset($cmd['pgsql'])) {