diff --git a/install/vst-install-amazon.sh b/install/vst-install-amazon.sh
index e23d9997..2bae6418 100644
--- a/install/vst-install-amazon.sh
+++ b/install/vst-install-amazon.sh
@@ -1026,7 +1026,7 @@ if [ "$mysql" = 'yes' ]; then
         cp -f $vestacp/pma/phpMyAdmin.conf /etc/httpd/conf.d/
     fi
     cp -f $vestacp/pma/config.inc.conf /etc/phpMyAdmin/config.inc.php
-    sed -i "s/%blowfish_secret%/$blowfish_secret/g" /etc/phpMyAdmin/config.inc.php
+    sed -i "s#%blowfish_secret#$blowfish_secret#g" /etc/phpMyAdmin/config.inc.php
 fi