diff --git a/light/ltface.cc b/light/ltface.cc
index 71b54c2e..9fabc1e8 100644
--- a/light/ltface.cc
+++ b/light/ltface.cc
@@ -670,8 +670,13 @@ static std::unique_ptr<lightsurf_t> Lightsurf_Init(const modelinfo_t *modelinfo,
 
     /* Set up the surface points */
     if (light_options.world_units_per_luxel.isChanged()) {
-        lightsurf->extents = faceextents_t(*face, *bsp, world_units_per_luxel_t{},
-            light_options.world_units_per_luxel.value());
+        if (bsp->loadversion->game->id == GAME_QUAKE_II && (Face_Texinfo(bsp, face)->flags.native & Q2_SURF_SKY)) {
+            lightsurf->extents = faceextents_t(*face, *bsp, world_units_per_luxel_t{},
+                512.f);
+        } else {
+            lightsurf->extents = faceextents_t(*face, *bsp, world_units_per_luxel_t{},
+                light_options.world_units_per_luxel.value());
+        }
     } else {
         lightsurf->extents = faceextents_t(*face, *bsp, lightsurf->lightmapscale);
     }