diff --git a/scripts/install b/scripts/install
index c751e2d..b2bce6f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -33,7 +33,7 @@ synapse_db_user="matrix_$app"
 synapse_db_name="matrix_$app"
 upstream_version=$(ynh_app_upstream_version)
 report_stats="false"
-e2e_enabled_by_default="true"
+e2e_enabled_by_default="off"
 default_domain_value="Same than the domain"
 domain_whitelist_client=$(get_domain_list)
 
diff --git a/scripts/upgrade b/scripts/upgrade
index f22085e..7adbc2c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -137,7 +137,7 @@ fi
 
 # Define $e2e_enabled_by_default if not already defined
 if [ -z $e2e_enabled_by_default ]; then
-   e2e_enabled_by_default='true'
+   e2e_enabled_by_default="off"
    ynh_app_setting_set --app=$app --key=e2e_enabled_by_default --value=$e2e_enabled_by_default
 fi