diff --git a/nbr-wallets.sh b/nbr-wallets.sh
index 620850e..bb7c32f 100755
--- a/nbr-wallets.sh
+++ b/nbr-wallets.sh
@@ -18,6 +18,7 @@ indexhtml="/var/www/g1-stats/index-$day-$startTime-$id.html"
 ###
 
 echo "######"
+[[ -z $(which jq) || -z $(which bc) ]] && apt update && apt install jq bc
 echo "Initialisation ..."
 outFile="/tmp/g1-stats-$day-$startTime_$id"
 TXBLOCKS=($(curl -s ${DUNITER}/blockchain/with/tx | jq '.result.blocks[]' | awk '{printf $1" "}'))