diff --git a/internal/api/config_handlers.go b/internal/api/config_handlers.go
index a564822ba..95f14d904 100644
--- a/internal/api/config_handlers.go
+++ b/internal/api/config_handlers.go
@@ -2653,6 +2653,7 @@ func (h *ConfigHandlers) HandleUpdateSystemSettingsOLD(w http.ResponseWriter, r
 	if settings.AutoUpdateTime != "" {
 		h.config.AutoUpdateTime = settings.AutoUpdateTime
 	}
+	settings.DiscoveryConfig = config.CloneDiscoveryConfig(h.config.Discovery)
 
 	// Save settings to persistence
 	if err := h.persistence.SaveSystemSettings(settings); err != nil {
diff --git a/scripts/install-sensor-proxy.sh b/scripts/install-sensor-proxy.sh
index b6c7a1728..9dc23a015 100755
--- a/scripts/install-sensor-proxy.sh
+++ b/scripts/install-sensor-proxy.sh
@@ -819,7 +819,7 @@ fi
 if [[ "$MOUNT_UPDATED" = true ]]; then
     print_info "Restarting container to activate secure communication..."
     if [[ "$CT_RUNNING" = true ]]; then
-        pct restart "$CTID"
+        pct stop "$CTID" && sleep 2 && pct start "$CTID"
     else
         pct start "$CTID"
     fi