diff --git a/core/src/mindustry/world/blocks/production/Pump.java b/core/src/mindustry/world/blocks/production/Pump.java
index 72f50b7eb1..08c483ed94 100644
--- a/core/src/mindustry/world/blocks/production/Pump.java
+++ b/core/src/mindustry/world/blocks/production/Pump.java
@@ -127,6 +127,7 @@ public class Pump extends LiquidBlock{
 
         @Override
         public double sense(LAccess sensor){
+            if(sensor == LAccess.efficiency) return shouldConsume() ? efficiency : 0f;
             if(sensor == LAccess.totalLiquids) return liquidDrop == null ? 0f : liquids.get(liquidDrop);
             return super.sense(sensor);
         }