diff --git a/lmod/files/start_jupyter.sh b/lmod/files/start_jupyter.sh
index 9e77cb2d4c6e552770646e78e0e990b463e6a95c..83fef4ae5cff37cb1988df9b896286ba2173e0cc 100644
--- a/lmod/files/start_jupyter.sh
+++ b/lmod/files/start_jupyter.sh
@@ -98,7 +98,7 @@ load_modules () {
 
 start () {
   echo "$(date) - Start jupyterhub-singleuser ..."
-  timeout 2m jupyterhub-singleuser # 2>${DIR}/stderr 1>${DIR}/stdout
+  timeout 30d jupyterhub-singleuser 2>${DIR}/stderr 1>${DIR}/stdout
   echo "$(date) - Start jupyterhub-singleuser done" 
 }