diff --git a/core/src/mindustry/entities/comp/BuildingComp.java b/core/src/mindustry/entities/comp/BuildingComp.java
index 2a3d37c517..b57349c71a 100644
--- a/core/src/mindustry/entities/comp/BuildingComp.java
+++ b/core/src/mindustry/entities/comp/BuildingComp.java
@@ -1682,10 +1682,12 @@ abstract class BuildingComp implements Posc, Teamc, Healthc, Buildingc, Timerc,
 
     /** Called after efficiency is updated but before consumers are updated. Use to apply your own multiplier. */
     public void updateEfficiencyMultiplier(){
-
+        float scale = efficiencyScale();
+        efficiency *= scale;
+        optionalEfficiency *= scale;
     }
 
-    /** Calculate your own efficiency multiplier. */
+    /** Calculate your own efficiency multiplier. By default, this is applied in updateEfficiencyMultiplier. */
     public float efficiencyScale(){
         return 1f;
     }
diff --git a/core/src/mindustry/world/blocks/production/HeatCrafter.java b/core/src/mindustry/world/blocks/production/HeatCrafter.java
index 46565256be..498879f39d 100644
--- a/core/src/mindustry/world/blocks/production/HeatCrafter.java
+++ b/core/src/mindustry/world/blocks/production/HeatCrafter.java
@@ -66,12 +66,6 @@ public class HeatCrafter extends GenericCrafter{
             return Mathf.clamp(heat / heatRequirement);
         }
 
-        @Override
-        public void updateEfficiencyMultiplier(){
-            efficiency *= efficiencyScale();
-            potentialEfficiency *= efficiencyScale();
-        }
-
         @Override
         public float efficiencyScale(){
             float over = Math.max(heat - heatRequirement, 0f);