diff --git a/examples/multi_node_examples/job_submit.sh b/examples/multi_node_examples/job_submit.sh
index 159d0df2..edfa7293 100755
--- a/examples/multi_node_examples/job_submit.sh
+++ b/examples/multi_node_examples/job_submit.sh
@@ -12,8 +12,8 @@ source activate $1
 
 # -------------------------
 # debugging flags (optional)
-# export NCCL_DEBUG=INFO
-# export PYTHONFAULTHANDLER=1
+ export NCCL_DEBUG=INFO
+ export PYTHONFAULTHANDLER=1
 
 # on your cluster you might need these:
 # set the network interface