diff --git a/src/net/torvald/terrarum/blockproperties/BlockProp.kt b/src/net/torvald/terrarum/blockproperties/BlockProp.kt
index 8bca216e8..75d2610d2 100644
--- a/src/net/torvald/terrarum/blockproperties/BlockProp.kt
+++ b/src/net/torvald/terrarum/blockproperties/BlockProp.kt
@@ -16,8 +16,7 @@ class BlockProp {
     var shadeColG = 0f
     var shadeColB = 0f
     var shadeColA = 0f
-
-    lateinit var opacity: Color
+    var opacity: Color = Color(0)
 
     var strength: Int = 0
     var density: Int = 0
@@ -36,7 +35,7 @@ class BlockProp {
     var lumColG = 0f
     var lumColB = 0f
     var lumColA = 0f
-    lateinit var internalLumCol: Color
+    var internalLumCol: Color = Color(0)
 
     /**
      * @param luminosity
diff --git a/src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt b/src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt
index b37f69bd1..723895e95 100644
--- a/src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt
+++ b/src/net/torvald/terrarum/worlddrawer/LightmapRendererNew.kt
@@ -213,7 +213,7 @@ object LightmapRenderer {
         // set sunlight
         sunLight.set(world.globalLight); sunLight.mul(DIV_FLOAT)
 
-        AppLoader.measureDebugTime("Renderer.Preload") {
+        AppLoader.measureDebugTime("Renderer.LightPreload") {
             // this is to recycle pre-calculated lights and shades for all 4 rounds.
             // the old code always re-calculates them (calls 'getLightsAndShades()') for every blocks for every round.
             // the light source information can also be used to create no-op mask? I'm sceptical about that, there must