diff --git a/setup/start.sh b/setup/start.sh
index 109b06c..89e5a9c 100755
--- a/setup/start.sh
+++ b/setup/start.sh
@@ -10,21 +10,21 @@ then
   cp /var/www/html/ipconfig.php.example /var/www/html/ipconfig.php
 fi
 
-[ -n "$IP_URL" ] && sed -i -e "s!IP_URL=!IP_URL=${IP_URL}!" /var/www/html/ipconfig.php
+[ -n "$IP_URL" ] && sed -i -e "s!IP_URL=\$!IP_URL=${IP_URL}!" /var/www/html/ipconfig.php
 [ -n "$ENABLE_DEBUG" ] && sed -i -e "s/ENABLE_DEBUG=.*/ENABLE_DEBUG=${ENABLE_DEBUG}/" /var/www/html/ipconfig.php
 [ -n "$DISABLE_SETUP" ] && sed -i -e "s/DISABLE_SETUP=.*/DISABLE_SETUP=${DISABLE_SETUP}/" /var/www/html/ipconfig.php
 [ -n "$REMOVE_INDEXPHP" ] && sed -i -e "s/REMOVE_INDEXPHP=.*/REMOVE_INDEXPHP=${REMOVE_INDEXPHP}/" /var/www/html/ipconfig.php
 
-[ -n "$MYSQL_HOST" ] && sed -i -e "s/DB_HOSTNAME=/DB_HOSTNAME=${MYSQL_HOST}/" /var/www/html/ipconfig.php
-[ -n "$MYSQL_USER" ] && sed -i -e "s/DB_USERNAME=/DB_USERNAME=${MYSQL_USER}/" /var/www/html/ipconfig.php
-[ -n "$MYSQL_PASSWORD" ] && sed -i -e "s/DB_PASSWORD=/DB_PASSWORD=${MYSQL_PASSWORD}/" /var/www/html/ipconfig.php
-[ -n "$MYSQL_DB" ] && sed -i -e "s/DB_DATABASE=/DB_DATABASE=${MYSQL_DB}/" /var/www/html/ipconfig.php
-[ -n "$MYSQL_PORT" ] && sed -i -e "s/DB_PORT=/DB_PORT=${MYSQL_PORT}/" /var/www/html/ipconfig.php
+[ -n "$MYSQL_HOST" ] && sed -i -e "s/^DB_HOSTNAME=$/DB_HOSTNAME=${MYSQL_HOST}/" /var/www/html/ipconfig.php
+[ -n "$MYSQL_USER" ] && sed -i -e "s/^DB_USERNAME=$/DB_USERNAME=${MYSQL_USER}/" /var/www/html/ipconfig.php
+[ -n "$MYSQL_PASSWORD" ] && sed -i -e "s/^DB_PASSWORD=$/DB_PASSWORD=${MYSQL_PASSWORD}/" /var/www/html/ipconfig.php
+[ -n "$MYSQL_DB" ] && sed -i -e "s/^DB_DATABASE=$/DB_DATABASE=${MYSQL_DB}/" /var/www/html/ipconfig.php
+[ -n "$MYSQL_PORT" ] && sed -i -e "s/^DB_PORT=$/DB_PORT=${MYSQL_PORT}/" /var/www/html/ipconfig.php
 
-[ -n "$SESS_EXPIRATION" ] && sed -i -e "s/SESS_EXPIRATION=/SESS_EXPIRATION=${SESS_EXPIRATION}/" /var/www/html/ipconfig.php
-[ -n "$SESS_MATCH_IP" ] && sed -i -e "s/SESS_MATCH_IP=/SESS_MATCH_IP=${SESS_MATCH_IP}/" /var/www/html/ipconfig.php
-[ -n "$ENABLE_INVOICE_DELETION" ] && sed -i -e "s/ENABLE_INVOICE_DELETION=/ENABLE_INVOICE_DELETION=${ENABLE_INVOICE_DELETION}/" /var/www/html/ipconfig.php
-[ -n "$DISABLE_READ_ONLY" ] && sed -i -e "s/DISABLE_READ_ONLY=/DISABLE_READ_ONLY=${DISABLE_READ_ONLY}/" /var/www/html/ipconfig.php
+[ -n "$SESS_EXPIRATION" ] && sed -i -e "s/^SESS_EXPIRATION=$/SESS_EXPIRATION=${SESS_EXPIRATION}/" /var/www/html/ipconfig.php
+[ -n "$SESS_MATCH_IP" ] && sed -i -e "s/^SESS_MATCH_IP=$/SESS_MATCH_IP=${SESS_MATCH_IP}/" /var/www/html/ipconfig.php
+[ -n "$ENABLE_INVOICE_DELETION" ] && sed -i -e "s/^ENABLE_INVOICE_DELETION=$/ENABLE_INVOICE_DELETION=${ENABLE_INVOICE_DELETION}/" /var/www/html/ipconfig.php
+[ -n "$DISABLE_READ_ONLY" ] && sed -i -e "s/^DISABLE_READ_ONLY=$/DISABLE_READ_ONLY=${DISABLE_READ_ONLY}/" /var/www/html/ipconfig.php
 
 ### CRITICAL
 if [ -n "$SETUP_COMPLETED" ]; then