diff --git a/ui/observatory/js/hud-controller.js b/ui/observatory/js/hud-controller.js
index 0fc0de1c..8712c5a7 100644
--- a/ui/observatory/js/hud-controller.js
+++ b/ui/observatory/js/hud-controller.js
@@ -196,7 +196,7 @@ export class HudController {
     this._bindRange('opt-aura', 'aura');
     this._bindRange('opt-field', 'field', v => { obs._fieldMat.opacity = v; });
     this._bindRange('opt-waves', 'waves');
-    this._bindRange('opt-ambient', 'ambient', v => { obs._ambient.intensity = v; });
+    this._bindRange('opt-ambient', 'ambient', v => { obs._ambient.intensity = v * 3.0; });
     this._bindRange('opt-reflect', 'reflect', v => {
       obs._floorMat.roughness = 1.0 - v * 0.7;
       obs._floorMat.metalness = v * 0.5;
@@ -346,7 +346,7 @@ export class HudController {
     obs._applyPostSettings();
     obs._renderer.toneMappingExposure = obs.settings.exposure;
     obs._fieldMat.opacity = obs.settings.field;
-    obs._ambient.intensity = obs.settings.ambient;
+    obs._ambient.intensity = obs.settings.ambient * 3.0;
     obs._floorMat.roughness = 1.0 - obs.settings.reflect * 0.7;
     obs._floorMat.metalness = obs.settings.reflect * 0.5;
     obs._camera.fov = obs.settings.fov;