diff --git a/scripts/compareMass.sh b/scripts/compareMass.sh
index 47a8384..c39844f 100755
--- a/scripts/compareMass.sh
+++ b/scripts/compareMass.sh
@@ -2,7 +2,7 @@
 source .env
 
 day=$1
-[[ -z $day ]] && day=1
+[[ -z $day ]] && day=$(jq .[].date db/daily.json | wc -l)
 bloc=$(grep -n . db/debug/udblocs | grep -E "^$day:" | cut -d: -f2)
 chainData=$(curl -s ${DUNITER}/blockchain/block/$bloc | jq '.membersCount,.monetaryMass')
 chainMass=$(tail -n1 <<<"$chainData" | xargs -i echo "scale=2; {}/100" | bc)
@@ -20,3 +20,4 @@ json : $jsonMbr - $jsonMass
 chain: $chainMbr - $chainMass
 "
 #fi
+