diff --git a/ebay_api.py b/ebay_api.py
index f789565..0b46b43 100644
--- a/ebay_api.py
+++ b/ebay_api.py
@@ -70,8 +70,9 @@ class FindingApi:
                             if item not in itemid_results_list:
                                 itemid_results_list.append(item['itemId'][0])
 
-            item_id_results = [','.join(itemid_results_list[n:n+20]) for n in list(range(0,
-                len(itemid_results_list), 20))]
+        item_id_results = list(set(itemid_results_list))
+        item_id_results = [','.join(itemid_results_list[n:n+20]) for n in list(range(0,
+            len(itemid_results_list), 20))]
         return item_id_results
 
 ## TODO instead of running through multiple try except loops try to implement set methods for efficiency and ease. Remember symmetric_difference, difference, intersection, set()