diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 33b1025ef2..3216544880 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -6483,6 +6483,7 @@ public class Blocks{
             regionSuffix = "-dark";
 
             size = 3;
+            configurable = false;
             consumePower(3f);
             consumeLiquid(Liquids.hydrogen, 3f / 60f);
             consumeItems(with(Items.silicon, 40, Items.tungsten, 30));
@@ -6500,6 +6501,7 @@ public class Blocks{
             regionSuffix = "-dark";
 
             size = 3;
+            configurable = false;
             consumePower(2.5f);
             consumeLiquid(Liquids.hydrogen, 3f / 60f);
             consumeItems(with(Items.silicon, 60, Items.tungsten, 40));
@@ -6518,6 +6520,7 @@ public class Blocks{
             regionSuffix = "-dark";
 
             size = 3;
+            configurable = false;
             consumePower(2.5f);
             consumeLiquid(Liquids.hydrogen, 3f / 60f);
             consumeItems(with(Items.silicon, 50, Items.tungsten, 40));
@@ -6538,6 +6541,7 @@ public class Blocks{
             researchCostMultipliers.put(Items.thorium, 0.2f);
 
             size = 5;
+            configurable = false;
             consumePower(4.5f);
             consumeLiquid(Liquids.nitrogen, 10f / 60f);
             consumeItems(with(Items.thorium, 80, Items.silicon, 100));