diff --git a/scripts/install b/scripts/install
index 556ef08..1e1adb2 100644
--- a/scripts/install
+++ b/scripts/install
@@ -122,6 +122,9 @@ ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd" --li
 ynh_replace_string --match_string="<PublicPort>8096</PublicPort>" --replace_string="<PublicPort>$port</PublicPort>" --target_file="$config_path/network.xml"
 ynh_replace_string --match_string="<HttpServerPortNumber>8096</HttpServerPortNumber>" --replace_string="<HttpServerPortNumber>$port</HttpServerPortNumber>" --target_file="$config_path/network.xml"
 
+# Enable IPv6
+ynh_replace_string --match_string="<EnableIPV6>false</EnableIPV6>" --replace_string="<EnableIPV6>true</EnableIPV6>" --target_file="$config_path/network.xml"
+
 # BaseUrl config
 ynh_replace_string --match_string="<BaseUrl />" --replace_string="<BaseUrl>$path_url</BaseUrl>" --target_file="$config_path/network.xml"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 39ebbe5..5e33279 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -126,7 +126,7 @@ ynh_system_user_create --username=$app
 #=================================================
 
 # Check if network.xml exists (introduced in v10.7)
-if [ -z "/etc/jellyfin/network.xml" ]; then
+if [ -f "/etc/jellyfin/network.xml" ]; then
 	ynh_script_progression --message="Configuring the settings..." --weight=1
 
 	ynh_backup_if_checksum_is_different --file="$config_path/network.xml"
@@ -140,6 +140,9 @@ if [ -z "/etc/jellyfin/network.xml" ]; then
 	ynh_replace_string --match_string="<PublicPort>8096</PublicPort>" --replace_string="<PublicPort>$port</PublicPort>" --target_file="$config_path/network.xml"
 	ynh_replace_string --match_string="<HttpServerPortNumber>8096</HttpServerPortNumber>" --replace_string="<HttpServerPortNumber>$port</HttpServerPortNumber>" --target_file="$config_path/network.xml"
 
+	# Enable IPv6
+	ynh_replace_string --match_string="<EnableIPV6>false</EnableIPV6>" --replace_string="<EnableIPV6>true</EnableIPV6>" --target_file="$config_path/network.xml"
+
 	# BaseUrl config
 	ynh_replace_string --match_string="<BaseUrl />" --replace_string="<BaseUrl>$path_url</BaseUrl>" --target_file="$config_path/network.xml"
 
@@ -148,7 +151,11 @@ if [ -z "/etc/jellyfin/network.xml" ]; then
 fi
 
 # Lower logging verbosity
-ynh_replace_string --match_string="\"Default\": \"Information\"" --replace_string="\"Default\": \"Error\"" --target_file="$config_path/logging.json"
+# But first, if missing, copy it from its template
+if [ ! -f "$config_path/logging.json" ]; then
+	cp "$config_path/logging.default.json" "$config_path/logging.json"
+fi
+ynh_exec_fully_quiet ynh_replace_string --match_string="\"Default\": \"Information\"" --replace_string="\"Default\": \"Error\"" --target_file="$config_path/logging.json"
 
 #=================================================
 # INSTALL LDAP PLUGIN