diff --git a/ct/openhab.sh b/ct/openhab.sh
index 566cf32a6..bd5e801ea 100644
--- a/ct/openhab.sh
+++ b/ct/openhab.sh
@@ -42,4 +42,4 @@ msg_ok "Completed Successfully!\n"
 echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
 echo -e "${INFO}${YW} Access it using one of the following URLs:${CL}"
 echo -e "${TAB}${GATEWAY}${BGN}https://${IP}:8443${CL}"
-echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:8080${CL}"
\ No newline at end of file
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:8080${CL}"
diff --git a/install/openhab-install.sh b/install/openhab-install.sh
index 8b6fb4b52..e2c121229 100644
--- a/install/openhab-install.sh
+++ b/install/openhab-install.sh
@@ -19,12 +19,7 @@ $STD apt-get install -y \
   apt-transport-https
 msg_ok "Installed Dependencies"
 
-msg_info "Installing Azul Zulu17"
-curl -fsSL https://repos.azul.com/azul-repo.key | gpg --dearmor -o /usr/share/keyrings/azul.gpg
-echo "deb [signed-by=/usr/share/keyrings/azul.gpg] https://repos.azul.com/zulu/deb stable main" >/etc/apt/sources.list.d/zulu.list
-$STD apt-get update
-$STD apt-get -y install zulu17-jdk
-msg_ok "Installed Azul Zulu17"
+JAVA_VERSION="21" setup_java
 
 msg_info "Installing openHAB"
 curl -fsSL "https://openhab.jfrog.io/artifactory/api/gpg/key/public" | gpg --dearmor -o /usr/share/keyrings/openhab.gpg