diff --git a/Listify/app/src/main/java/com/example/listify/ItemDetails.java b/Listify/app/src/main/java/com/example/listify/ItemDetails.java
index 89fe980..f2fb43c 100644
--- a/Listify/app/src/main/java/com/example/listify/ItemDetails.java
+++ b/Listify/app/src/main/java/com/example/listify/ItemDetails.java
@@ -121,6 +121,7 @@ public class ItemDetails extends AppCompatActivity implements ListPickerDialogFr
                             l.start();
                         }
 
+                        shoppingLists.clear();
                         // Wait for each thread to finish and add results to shoppingLists
                         for (int i = 0; i < threads.length; i++) {
                             try {