diff --git a/TODO b/TODO
index 6ba1413b..a40ffc27 100644
--- a/TODO
+++ b/TODO
@@ -3,13 +3,10 @@
 
 TODO bugs/features:
 
-netherzones are lost if the server ends while its restoring
 
 add in build range limit set where you started, cannot ever move
 	- all players can build within each others limits
 
-adjust [semiFrozenChunks.add(originPos);] to reduce lag in first-person cam
-
 don't show nether blocks in fog on minimap
 
 
@@ -22,9 +19,13 @@ spiderProd after poison spider upgrade
     - cancel button icon/name
     - spider produces poison spider if upgraded in progress
 
-(server) fog chunks updated when exploring outside of frustum
-(server) fake blocks are updated correctly once explored and looked at again
-(server) buildings in fog should disappear on minimap once built
+fog changes and optimisations (test in server!)
+    - fog chunks updated when exploring outside of frustum
+    - fake blocks are updated correctly once explored and looked at again
+    - buildings in fog should disappear on minimap once built
+    - lag in first-person mode
+    - semifrozen chunks in first-person mode
+
 
 
 Misc additions
diff --git a/src/main/java/com/solegendary/reignofnether/building/BuildingServerEvents.java b/src/main/java/com/solegendary/reignofnether/building/BuildingServerEvents.java
index 89ffa814..eae0479f 100644
--- a/src/main/java/com/solegendary/reignofnether/building/BuildingServerEvents.java
+++ b/src/main/java/com/solegendary/reignofnether/building/BuildingServerEvents.java
@@ -111,6 +111,7 @@ public static void loadBuildingsAndNetherZones(ServerStartedEvent evt) {
         if (level != null) {
             BuildingSaveData buildingData = BuildingSaveData.getInstance(level);
             NetherZoneSaveData netherData = NetherZoneSaveData.getInstance(level);
+            ArrayList<BlockPos> placedNZs = new ArrayList<>();
 
             buildingData.buildings.forEach(b -> {
                 Building building = BuildingUtils.getNewBuilding(b.name, level, b.originPos, b.rotation, b.ownerName, b.isDiagonalBridge);
@@ -135,9 +136,17 @@ else if (building instanceof Portal portal)
                         for (NetherZone nz : netherData.netherZones)
                             if (building.isPosInsideBuilding(nz.getOrigin())) {
                                 ncb.setNetherZone(nz);
+                                placedNZs.add(nz.getOrigin());
+                                System.out.println("loaded netherzone for: " + b.name + "|" + b.originPos);
                                 break;
                             }
-                    System.out.println("loaded building/nether in serverevents: " + b.originPos);
+                    System.out.println("loaded building in serverevents: " + b.name + "|" + b.originPos);
+                }
+            });
+            netherData.netherZones.forEach(nz -> {
+                if (!placedNZs.contains(nz.getOrigin())) {
+                    BuildingServerEvents.netherZones.add(nz);
+                    System.out.println("loaded orphaned netherzone: " + nz.getOrigin());
                 }
             });
         }
diff --git a/src/main/java/com/solegendary/reignofnether/building/NetherZone.java b/src/main/java/com/solegendary/reignofnether/building/NetherZone.java
index 4b42b7c2..2ccfcff7 100644
--- a/src/main/java/com/solegendary/reignofnether/building/NetherZone.java
+++ b/src/main/java/com/solegendary/reignofnether/building/NetherZone.java
@@ -14,7 +14,6 @@ public class NetherZone {
     private final int MAX_TICKS = 5;
     private final int MAX_CONVERTS_AFTER_CONSTANT_RANGE = 60; // to prevent continuously processing
 
-
     private final BlockPos origin;
     private final Random random = new Random();
 
diff --git a/src/main/java/com/solegendary/reignofnether/building/NetherZoneSaveData.java b/src/main/java/com/solegendary/reignofnether/building/NetherZoneSaveData.java
index 04ca9d1c..ccb31e80 100644
--- a/src/main/java/com/solegendary/reignofnether/building/NetherZoneSaveData.java
+++ b/src/main/java/com/solegendary/reignofnether/building/NetherZoneSaveData.java
@@ -73,7 +73,7 @@ public CompoundTag save(CompoundTag tag) {
             cTag.putInt("converts", nz.getConvertsAfterConstantRange());
             list.add(cTag);
 
-            System.out.println("NetherZoneSaveData.save: " + nz.getOrigin() + "|" + nz.getRange() + "/" + nz.getMaxRange() + "|" + nz.isRestoring());
+            System.out.println("NetherZoneSaveData.save: " + nz.getOrigin() + "|" + (int) nz.getRange() + "/" + (int) nz.getMaxRange() + "|" + nz.isRestoring());
         });
         tag.put("netherzones", list);
         return tag;
diff --git a/src/main/java/com/solegendary/reignofnether/mixin/fogofwar/LevelRendererMixin.java b/src/main/java/com/solegendary/reignofnether/mixin/fogofwar/LevelRendererMixin.java
index b49c1429..ab9afc2c 100644
--- a/src/main/java/com/solegendary/reignofnether/mixin/fogofwar/LevelRendererMixin.java
+++ b/src/main/java/com/solegendary/reignofnether/mixin/fogofwar/LevelRendererMixin.java
@@ -229,7 +229,7 @@ else if (!isInBrightChunk(originPos)) {
                             .map(fc -> fc.origin)
                             .toList().contains(originPos))
                     continue;
-                else if (enemyOccupiedChunks.contains(chunkPos))
+                else if (OrthoviewClientEvents.isEnabled() || enemyOccupiedChunks.contains(chunkPos))
                     semiFrozenChunks.add(originPos);
             }
             ChunkRenderDispatcher.RenderChunk renderChunk = chunkInfo.chunk;