diff --git a/config/default_config.yaml b/config/default_config.yaml
index 3298c57..04a1124 100644
--- a/config/default_config.yaml
+++ b/config/default_config.yaml
@@ -89,7 +89,7 @@ notify:
   # Notifications système macOS
   - platform: file
     name: "macOS Notifications"
-    filename: "/tmp/ha_notifications.log"
+    filename: "/Library/Logs/HomeAssistant/notifications.log"
     timestamp: true
 
 # Configuration de l'automatisation
diff --git a/docs/OFFICIAL_MACOS_GUIDE.md b/docs/OFFICIAL_MACOS_GUIDE.md
index c69f3e4..5c125be 100644
--- a/docs/OFFICIAL_MACOS_GUIDE.md
+++ b/docs/OFFICIAL_MACOS_GUIDE.md
@@ -191,7 +191,7 @@ bluetooth:
 notify:
   - platform: file
     name: macos_notifications
-    filename: /tmp/ha_notifications.log
+    filename: /Library/Logs/HomeAssistant/notifications.log
 ```
 
 #### Appareils Externes
diff --git a/scripts/postinstall b/scripts/postinstall
index a2629ec..3359420 100755
--- a/scripts/postinstall
+++ b/scripts/postinstall
@@ -16,7 +16,9 @@ mkdir -p "$HA_LOG_DIR"
 
 # Attribution des droits au nouvel utilisateur système
 chown -R $USER_NAME:$GROUP_NAME "$HA_CONFIG_DIR" "$HA_LOG_DIR" >/dev/null 2>&1 || true
-chmod -R 755 "$HA_CONFIG_DIR" "$HA_LOG_DIR" >/dev/null 2>&1 || true
+chmod -R 755 "$HA_CONFIG_DIR" >/dev/null 2>&1 || true
+# Permissions plus restrictives pour les logs (sécurité)
+chmod -R 750 "$HA_LOG_DIR" >/dev/null 2>&1 || true
 
 # Droits sur l'installation dans /opt
 if [ -d "/opt/homeassistant" ]; then
diff --git a/scripts/uninstall b/scripts/uninstall
index 538bb08..8b830ae 100755
--- a/scripts/uninstall
+++ b/scripts/uninstall
@@ -109,8 +109,11 @@ fi
 
 # 10. Nettoyage des fichiers temporaires
 log_info "Nettoyage des fichiers temporaires..."
+# Nettoyage des anciens fichiers temporaires (sécurité)
 rm -f /tmp/ha_notifications.log 2>/dev/null || true
 rm -rf /tmp/homeassistant-* 2>/dev/null || true
+# Nettoyage du nouveau fichier de notifications
+rm -f /Library/Logs/HomeAssistant/notifications.log 2>/dev/null || true
 
 # 11. Suppression des entrées launchd restantes
 log_info "Nettoyage des entrées launchd..."