diff --git a/parameters_accepts.sh b/parameters_accepts.sh
index 5940340..aae97c8 100644
--- a/parameters_accepts.sh
+++ b/parameters_accepts.sh
@@ -130,7 +130,7 @@ download_playbook() {
     local base_url=$1
     local name=$2
     local local_folder=$3
-    local s3_folder="$base_url/$name/$PLAYBOOK_VERSION"
+    local s3_folder="$base_url/$name/$PLAYBOOK_VERSION/"
     
     if aws s3 ls "$s3_folder" --region $REGION >/dev/null 2>&1; then
         echo "download playbook '$s3_folder'"