diff --git a/install/mysql-install.sh b/install/mysql-install.sh
index 93adda8f..3ee3ba2f 100644
--- a/install/mysql-install.sh
+++ b/install/mysql-install.sh
@@ -61,7 +61,7 @@ if [[ ${prompt,,} =~ ^(y|yes)$ ]]; then
 	mkdir -p /var/www/html/phpMyAdmin
 	$STD tar xvf phpMyAdmin-5.2.1-all-languages.tar.gz --strip-components=1 -C /var/www/html/phpMyAdmin
 	cp /var/www/html/phpMyAdmin/config.sample.inc.php /var/www/html/phpMyAdmin/config.inc.php
-	SECRET=$(openssl rand -base64 32)
+	SECRET=$(openssl rand -base64 24)
 	sed -i "s#\$cfg\['blowfish_secret'\] = '';#\$cfg['blowfish_secret'] = '${SECRET}';#" /var/www/html/phpMyAdmin/config.inc.php
 	chmod 660 /var/www/html/phpMyAdmin/config.inc.php
 	chown -R www-data:www-data /var/www/html/phpMyAdmin