diff --git a/providers/google/src/airflow/providers/google/cloud/links/base.py b/providers/google/src/airflow/providers/google/cloud/links/base.py
index ea6d8850c95f5..6a46f3946d7d7 100644
--- a/providers/google/src/airflow/providers/google/cloud/links/base.py
+++ b/providers/google/src/airflow/providers/google/cloud/links/base.py
@@ -89,7 +89,12 @@ def persist(cls, context: Context, **value):
     def get_config(self, operator, ti_key):
         conf = {}
         conf.update(getattr(operator, "extra_links_params", {}))
-        conf.update(XCom.get_value(key=self.key, ti_key=ti_key) or {})
+
+        xcom_value = XCom.get_value(key=self.key, ti_key=ti_key) or {}
+        if isinstance(xcom_value, str):
+            xcom_value = {self.key: xcom_value}
+
+        conf.update(xcom_value)
 
         # if the config did not define, return None to stop URL formatting
         if not conf:
diff --git a/providers/google/tests/unit/google/cloud/links/test_base_link.py b/providers/google/tests/unit/google/cloud/links/test_base_link.py
index b74963d916ed3..3e369c1b86323 100644
--- a/providers/google/tests/unit/google/cloud/links/test_base_link.py
+++ b/providers/google/tests/unit/google/cloud/links/test_base_link.py
@@ -128,3 +128,35 @@ def test_get_link(self, create_task_instance_of_operator, session, mock_supervis
             )
         actual_url = link.get_link(operator=ti.task, ti_key=ti.key)
         assert actual_url == expected_url
+
+    def test_get_config_with_string_xcom_value(self):
+        link = GoogleLink()
+
+        mock_operator = mock.MagicMock()
+        mock_operator.extra_links_params = {}
+
+        mock_ti_key = mock.MagicMock()
+
+        test_string_value = "some_string_value"
+
+        with mock.patch("airflow.providers.google.cloud.links.base.XCom.get_value") as mock_get_value:
+            # Test case 1: XCom returns a string
+            mock_get_value.return_value = test_string_value
+            config = link.get_config(mock_operator, mock_ti_key)
+
+            expected_config = {link.key: test_string_value, "namespace": "default"}
+            assert config == expected_config
+
+            # Test case 2: XCom returns a dictionary (normal case)
+            test_dict_value = {"key1": "value1", "key2": "value2"}
+            mock_get_value.return_value = test_dict_value
+            config = link.get_config(mock_operator, mock_ti_key)
+
+            expected_config = {**test_dict_value, "namespace": "default"}
+            assert config == expected_config
+
+            # Test case 3: XCom returns None
+            mock_get_value.return_value = None
+            config = link.get_config(mock_operator, mock_ti_key)
+
+            assert config is None