diff --git a/scripts/walletsBalance.sh b/scripts/walletsBalance.sh
index ab1c843..afa78f9 100755
--- a/scripts/walletsBalance.sh
+++ b/scripts/walletsBalance.sh
@@ -6,6 +6,8 @@ GPATH="$( cd "$(dirname "$0")" ; pwd -P )/.."
 source $GPATH/.env
 node=$(cut -d '/' -f3 <<<"$DUNITER")
 
+#Check if Silkaj is installed
+[[ ! $(which silkaj) ]] && echo "Erreur: Vous devez installer Silkaj." && exit 1
 rm -f silkaj_error.log
 
 work() {