diff --git a/src/superannotate/lib/core/usecases/items.py b/src/superannotate/lib/core/usecases/items.py
index 27dd3824b..c1205484d 100644
--- a/src/superannotate/lib/core/usecases/items.py
+++ b/src/superannotate/lib/core/usecases/items.py
@@ -1017,20 +1017,19 @@ def __distribute_to_results(self, item_id, response, item):
 
         if item_id in response.data["success"]:
             self.results["succeeded"].append(item)
+            response.data["success"].discard(item_id)
         elif item_id in response.data["skipped"]:
             self.results["skipped"].append(item)
-        else:
+            response.data["skipped"].discard(item_id)
+        elif item_id in response.data["failed"]:
             self.results["failed"].append(item)
+            response.data["failed"].discard(item_id)
 
     def validate_items(
         self,
     ):
 
         filtered_items = self.__filter_duplicates()
-        if len(filtered_items) != len(self.items):
-            self.reporter.log_info(
-                f"Dropping duplicates. Found {len(filtered_items)} / {len(self.items)} unique items."
-            )
         self.items = filtered_items
         self.items = self.__filter_invalid_items()
         self.__separate_to_paths()
@@ -1077,10 +1076,15 @@ def execute(
 
             response = None
 
-            for i in range(0, len(self.item_ids), self.CHUNK_SIZE):
+            unique_item_ids = list(set(self.item_ids))
+            if len(self.items) > len(unique_item_ids):
+                self.reporter.log_info(
+                    f"Dropping duplicates. Found {len(unique_item_ids)} / {len(self.items)} unique items."
+                )
+            for i in range(0, len(unique_item_ids), self.CHUNK_SIZE):
                 tmp_response = self._service_provider.subsets.add_items(
                     project=self.project,
-                    item_ids=self.item_ids[i : i + self.CHUNK_SIZE],  # noqa
+                    item_ids=unique_item_ids[i : i + self.CHUNK_SIZE],  # noqa
                     subset=subset,
                 )
 
diff --git a/tests/integration/subsets/test_subsets.py b/tests/integration/subsets/test_subsets.py
index a3a06bd9b..e3ceffb41 100644
--- a/tests/integration/subsets/test_subsets.py
+++ b/tests/integration/subsets/test_subsets.py
@@ -18,4 +18,19 @@ def test_add_items_to_subset(self):
         subset_data = []
         for i in item_names:
             subset_data.append({"name": i["name"], "path": self.PROJECT_NAME})
-        sa.add_items_to_subset(self.PROJECT_NAME, self.SUBSET_NAME, subset_data)
+        result = sa.add_items_to_subset(self.PROJECT_NAME, self.SUBSET_NAME, subset_data)
+        assert len(subset_data) == len(result["succeeded"])
+
+    def test_add_to_subset_with_duplicates_items(self):
+        with self.assertLogs("sa", level="INFO") as cm:
+            sa.attach_items(self.PROJECT_NAME, [{"name": "earth_mov_001.jpg", "url": "url_1"}])  # noqa
+            item_metadata = sa.get_item_metadata(self.PROJECT_NAME, "earth_mov_001.jpg")
+            subset_data = [{"name": "earth_mov_001.jpg", "path": self.PROJECT_NAME}, {"id": item_metadata["id"]}]
+            result = sa.add_items_to_subset(self.PROJECT_NAME, self.SUBSET_NAME, subset_data)
+            assert len(result["succeeded"]) == 1
+            assert (
+                    "INFO:sa:Dropping duplicates. Found 1 / 2 unique items." == cm.output[2]
+            )
+
+
+