diff --git a/eodag/api/core.py b/eodag/api/core.py
index 0af679b63..29f11a6cb 100644
--- a/eodag/api/core.py
+++ b/eodag/api/core.py
@@ -1180,6 +1180,7 @@ def _search_by_id(self, uid, provider=None, **kwargs):
             )
             logger.debug("Using plugin class for search: %s", plugin.__class__.__name__)
             auth = self._plugins_manager.get_auth_plugin(plugin.provider)
+            plugin.clear()
             results, _ = self._do_search(plugin, auth=auth, id=uid, **kwargs)
             if len(results) == 1:
                 if not results[0].product_type:
diff --git a/tests/units/test_core.py b/tests/units/test_core.py
index 1a3bece60..eabc50d4b 100644
--- a/tests/units/test_core.py
+++ b/tests/units/test_core.py
@@ -1380,14 +1380,50 @@ def test__prepare_search_unknown_product_type(self, mock_fetch_product_types_lis
         self.dag._prepare_search(product_type="foo")
         mock_fetch_product_types_list.assert_called_once_with(self.dag)
 
-    @mock.patch("eodag.plugins.manager.PluginManager.get_search_plugins", autospec=True)
-    def test__search_by_id(self, mock_get_search_plugins):
-        """_search_by_id must filter search plugins using given kwargs"""
-        self.dag._search_by_id(uid="foo", productType="bar", provider="baz")
+    @mock.patch(
+        "eodag.api.core.EODataAccessGateway._do_search",
+        autospec=True,
+        return_value=([mock.Mock()], 1),
+    )
+    @mock.patch("eodag.plugins.manager.PluginManager.get_auth_plugin", autospec=True)
+    @mock.patch(
+        "eodag.plugins.manager.PluginManager.get_search_plugins",
+        autospec=True,
+        return_value=[mock.Mock()],
+    )
+    def test__search_by_id(
+        self, mock_get_search_plugins, mock_get_auth_plugin, mock__do_search
+    ):
+        """_search_by_id must filter search plugins using given kwargs, clear plugin and perform search"""
+
+        found = self.dag._search_by_id(uid="foo", productType="bar", provider="baz")
+
+        # get_search_plugins
         mock_get_search_plugins.assert_called_once_with(
             self.dag._plugins_manager, product_type="bar", provider="baz"
         )
 
+        # search plugin clear
+        mock_get_search_plugins.return_value[0].clear.assert_called_once()
+
+        # _do_search returns 1 product
+        mock__do_search.assert_called_once_with(
+            self.dag,
+            mock_get_search_plugins.return_value[0],
+            auth=mock_get_auth_plugin.return_value,
+            id="foo",
+            productType="bar",
+        )
+        self.assertEqual(found, mock__do_search.return_value)
+
+        mock__do_search.reset_mock()
+        # return None if more than 1 product is found
+        mock__do_search.return_value = ([mock.Mock(), mock.Mock()], 2)
+        with self.assertLogs(level="INFO") as cm:
+            found = self.dag._search_by_id(uid="foo", productType="bar", provider="baz")
+            self.assertEqual(found, (SearchResult([]), 0))
+            self.assertIn("Several products found for this id", str(cm.output))
+
     @mock.patch("eodag.plugins.search.qssearch.QueryStringSearch", autospec=True)
     def test__do_search_support_itemsperpage_higher_than_maximum(self, search_plugin):
         """_do_search must create a count query by default"""