diff --git a/core/src/mindustry/world/blocks/defense/BuildTurret.java b/core/src/mindustry/world/blocks/defense/BuildTurret.java
index fd87f0c165..dc96f0426d 100644
--- a/core/src/mindustry/world/blocks/defense/BuildTurret.java
+++ b/core/src/mindustry/world/blocks/defense/BuildTurret.java
@@ -99,6 +99,7 @@ public class BuildTurret extends BaseTurret{
             }
 
             unit.buildSpeedMultiplier(efficiency() * timeScale);
+            unit.speedMultiplier(efficiency() * timeScale);
 
             if(!isControlled()){
                 unit.updateBuilding(true);