diff --git a/src/main/java/net/runelite/deob/attributes/code/instructions/ArrayStore.java b/src/main/java/net/runelite/deob/attributes/code/instructions/ArrayStore.java
new file mode 100644
index 0000000000..83da0276b6
--- /dev/null
+++ b/src/main/java/net/runelite/deob/attributes/code/instructions/ArrayStore.java
@@ -0,0 +1,58 @@
+package net.runelite.deob.attributes.code.instructions;
+
+import net.runelite.deob.Field;
+import net.runelite.deob.attributes.code.Instruction;
+import net.runelite.deob.attributes.code.InstructionType;
+import net.runelite.deob.attributes.code.Instructions;
+import net.runelite.deob.attributes.code.instruction.types.ArrayStoreInstruction;
+import net.runelite.deob.attributes.code.instruction.types.GetFieldInstruction;
+import net.runelite.deob.deobfuscators.rename.MappingExecutorUtil;
+import net.runelite.deob.deobfuscators.rename.ParallelExecutorMapping;
+import net.runelite.deob.execution.InstructionContext;
+import net.runelite.deob.execution.StackContext;
+
+public abstract class ArrayStore extends Instruction implements ArrayStoreInstruction
+{
+	public ArrayStore(Instructions instructions, InstructionType type, int pc)
+	{
+		super(instructions, type, pc);
+	}
+	
+	private Field getMyField(InstructionContext thisIc)
+	{
+		StackContext sctx = thisIc.getPops().get(2);
+		InstructionContext pushed = sctx.getPushed();
+		
+		InstructionContext r = MappingExecutorUtil.resolve(pushed, sctx);
+		
+		if (r.getInstruction() instanceof GetFieldInstruction)
+		{
+			GetFieldInstruction gf = (GetFieldInstruction) r.getInstruction();
+			Field f = gf.getMyField();
+			return f;
+		}
+		
+		return null;
+	}
+
+	@Override
+	public boolean canMap(InstructionContext thisIc)
+	{
+		return getMyField(thisIc) != null;
+	}
+	
+	@Override
+	public void map(ParallelExecutorMapping mapping, InstructionContext ctx, InstructionContext other)
+	{
+		Field myField = this.getMyField(ctx),
+			otherField = ((ArrayStore) other.getInstruction()).getMyField(other);
+		
+		mapping.map(myField, otherField);
+	}
+
+	@Override
+	public boolean isSame(InstructionContext thisIc, InstructionContext otherIc)
+	{
+		return thisIc.getInstruction().getClass() == otherIc.getInstruction().getClass();
+	}
+}