diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_AssemblyLine.java b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_AssemblyLine.java
index b1585682..726eef33 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_AssemblyLine.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_AssemblyLine.java
@@ -1,5 +1,6 @@
 package gregtech.common.tileentities.machines.multi;
 
+import java.util.ArrayList;
 import gregtech.api.GregTech_API;
 import gregtech.api.enums.GT_Values;
 import gregtech.api.enums.ItemList;