diff --git a/core/src/mindustry/world/blocks/power/ItemLiquidGenerator.java b/core/src/mindustry/world/blocks/power/ItemLiquidGenerator.java
index 16cd34fb7b..b9e7f112bc 100644
--- a/core/src/mindustry/world/blocks/power/ItemLiquidGenerator.java
+++ b/core/src/mindustry/world/blocks/power/ItemLiquidGenerator.java
@@ -92,11 +92,6 @@ public class ItemLiquidGenerator extends PowerGenerator{
             return generateTime > 0;
         }
 
-        @Override
-        public float ambientVolume(){
-            return Mathf.clamp(productionEfficiency);
-        }
-
         @Override
         public void updateTile(){
             //Note: Do not use this delta when calculating the amount of power or the power efficiency, but use it for resource consumption if necessary.
diff --git a/core/src/mindustry/world/blocks/power/PowerGenerator.java b/core/src/mindustry/world/blocks/power/PowerGenerator.java
index ae9453d675..5a2bd12f0d 100644
--- a/core/src/mindustry/world/blocks/power/PowerGenerator.java
+++ b/core/src/mindustry/world/blocks/power/PowerGenerator.java
@@ -1,6 +1,7 @@
 package mindustry.world.blocks.power;
 
 import arc.*;
+import arc.math.*;
 import arc.struct.*;
 import arc.util.*;
 import arc.util.io.*;
@@ -50,6 +51,11 @@ public class PowerGenerator extends PowerDistributor{
         /** The efficiency of the producer. An efficiency of 1.0 means 100% */
         public float productionEfficiency = 0.0f;
 
+        @Override
+        public float ambientVolume(){
+            return Mathf.clamp(productionEfficiency);
+        }
+
         @Override
         public float getPowerProduction(){
             return powerProduction * productionEfficiency;
diff --git a/gradle.properties b/gradle.properties
index 5271fb2c42..6612596de1 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 org.gradle.daemon=true
 org.gradle.jvmargs=-Xms256m -Xmx1024m
-archash=b647f8dd4e96daf1ed869f1fd1fb38bb3f37135c
+archash=b91cf2f8d2073bb03f6c07e8f8282c4039b10138