diff --git a/prolog.d/10-GPU_allocate.sh b/prolog.d/10-GPU_allocate.sh
index b618735..b4d0977 100755
--- a/prolog.d/10-GPU_allocate.sh
+++ b/prolog.d/10-GPU_allocate.sh
@@ -42,7 +42,7 @@ if [ -z "${NGPUS}" ] ; then
 fi
 
 # get list of installed GPU's (exit without error if nvidia-smi is not available (i. e. no GPU's installed))
-[ -f /usr/bin/nvidia-smi ] && GPU_LIST=$(/usr/bin/nvidia-smi -L | cut -f1 -d":" | cut -f2 -d" " | xargs shuf -e) || exit 0
+[ -f /usr/bin/nvidia-smi ] && GPU_LIST=$(/usr/bin/nvidia-smi -L | cut -f1 -d":" | cut -f2 -d" " | xargs shuf -e 2>/dev/null) || exit 0
 
 ## loop over devices and try to allocate one until enough GPU's are allocated
 CUDA_VISIBLE_DEVICES=''