diff --git a/grocy/rootfs/etc/s6-overlay/s6-rc.d/php-fpm/run b/grocy/rootfs/etc/s6-overlay/s6-rc.d/php-fpm/run
index 7e5f59d..c3917d5 100755
--- a/grocy/rootfs/etc/s6-overlay/s6-rc.d/php-fpm/run
+++ b/grocy/rootfs/etc/s6-overlay/s6-rc.d/php-fpm/run
@@ -135,7 +135,7 @@ if bashio::config.has_value 'tweaks.tprinter_ip'; then
 fi
 
 if bashio::config.has_value 'tweaks.tprinter_port'; then
-    tprinter_ip=$(bashio::config 'tweaks.tprinter_port')
+    tprinter_port=$(bashio::config 'tweaks.tprinter_port')
     export GROCY_TPRINTER_PORT=${tprinter_port}
 fi