diff --git a/run_IoTP.sh b/run_IoTP.sh
index 367ac9f..231b76b 100755
--- a/run_IoTP.sh
+++ b/run_IoTP.sh
@@ -1,3 +1,10 @@
 #!/bin/bash
 
-java -jar ../IoTP-0.50-launcher.jar &
+ver=0.51
+if [ -f "~/IoTP-${ver}-launcher.jar" ]; then
+  echo "IoTP jarfile exists."
+else
+  curl https://cit.istlab.info/IoTP/target/IoTP-${ver}-launcher.jar --output ~/IoTP-${ver}-launcher.jar
+fi
+
+java -jar ../IoTP-${ver}-launcher.jar &