diff --git a/src/controller.h b/src/controller.h
index 1f091a0..60a4e73 100644
--- a/src/controller.h
+++ b/src/controller.h
@@ -485,7 +485,7 @@ struct Controller {
                 if (light.intensity > 0x1FFF) continue;
 
                 vec3 dir = vec3(float(light.x), float(light.y), float(light.z)) - center;
-                float att = max(0.0f, 1.0f - dir.length2() / float(light.radius) / float(light.radius)) * (intensityf(light.intensity));
+                float att = max(0.0f, 1.0f - dir.length2() / float(light.radius) / float(light.radius)) * (1.0f - intensityf(light.intensity));
 
                 if (att > maxAtt) {
                     maxAtt = att;
@@ -502,7 +502,7 @@ struct Controller {
         }
 
         vec3 tpos   = vec3(float(targetLight->x), float(targetLight->y), float(targetLight->z));
-        vec4 tcolor = vec4(vec3(intensityf(targetLight->intensity)), float(targetLight->radius));
+        vec4 tcolor = vec4(vec3(1.0f - intensityf(targetLight->intensity)), float(targetLight->radius));
 
         if (lerp) {
             float t = Core::deltaTime * 2.0f;
diff --git a/src/debug.h b/src/debug.h
index fbccae7..69ed5d6 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -357,7 +357,7 @@ namespace Debug {
             for (int i = 0; i < level.roomsCount; i++)
                 for (int j = 0; j < level.rooms[i].lightsCount; j++) {
                     TR::Room::Light &l = level.rooms[i].lights[j];
-                    float a = intensityf(l.intensity);
+                    float a = 1.0f - intensityf(l.intensity);
                     vec3 p = vec3(l.x, l.y, l.z);
                     vec4 color = vec4(a, a, a, 1);
 
diff --git a/src/trigger.h b/src/trigger.h
index 8044e1c..984958f 100644
--- a/src/trigger.h
+++ b/src/trigger.h
@@ -174,6 +174,7 @@ struct Block : Controller {
             updateEntity();
             updateFloor(true);
         }
+        updateLights();
     }
 };