diff --git a/core/src/mindustry/world/blocks/units/UnitFactory.java b/core/src/mindustry/world/blocks/units/UnitFactory.java
index 4cddee5135..67f7b50a88 100644
--- a/core/src/mindustry/world/blocks/units/UnitFactory.java
+++ b/core/src/mindustry/world/blocks/units/UnitFactory.java
@@ -223,7 +223,7 @@ public class UnitFactory extends UnitBlock{
             if(currentPlan != -1 && !Units.canCreate(team, plans[currentPlan].unit)){
                 return false;
             }
-            return enabled;
+            return enabled && payload == null;
         }
 
         @Override