diff --git a/files/run.sh b/files/run.sh
index 7b864a7..20f7673 100644
--- a/files/run.sh
+++ b/files/run.sh
@@ -2,8 +2,10 @@
 # Copyright (c) 2020 fithwum
 # All rights reserved
 
+MC_VERSION=1.18.2
+
 cd /MCserver
-JAR=./MCserver.jar
+JAR=./MCserver_${MC_VERSION}.jar
 
 while [ true ]; do
   java -Xmx4G -Xms1024M -Xmn1G -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -jar $JAR nogui