diff --git a/src/main/java/gregtech/api/metatileentity/implementations/MTEMultiBlockBase.java b/src/main/java/gregtech/api/metatileentity/implementations/MTEMultiBlockBase.java
index f7d03acc666..4dfe5abd4c2 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/MTEMultiBlockBase.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/MTEMultiBlockBase.java
@@ -25,6 +25,7 @@
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
+import gtPlusPlus.xmod.gregtech.api.metatileentity.implementations.MTEHatchSteamBusInput;
 import net.minecraft.client.Minecraft;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.EntityPlayerMP;
@@ -1822,6 +1823,7 @@ public boolean addInputBusToMachineList(IGregTechTileEntity aTileEntity, int aBa
             hatch.updateCraftingIcon(this.getMachineCraftingIcon());
             return mDualInputHatches.add(hatch);
         }
+        if (aMetaTileEntity instanceof MTEHatchSteamBusInput) return false;
         if (aMetaTileEntity instanceof ISmartInputHatch hatch) {
             mSmartInputHatches.add(hatch);
         }