diff --git a/src/zos_files/zowe/zos_files_for_zowe_sdk/files.py b/src/zos_files/zowe/zos_files_for_zowe_sdk/files.py
index 9da72c48..b9ff66aa 100644
--- a/src/zos_files/zowe/zos_files_for_zowe_sdk/files.py
+++ b/src/zos_files/zowe/zos_files_for_zowe_sdk/files.py
@@ -16,6 +16,7 @@
 from zowe.zos_files_for_zowe_sdk import exceptions, constants
 import os
 import shutil
+import urllib
 from zowe.zos_files_for_zowe_sdk.constants import zos_file_constants, FileType
 
 _ZOWE_FILES_DEFAULT_ENCODING='utf-8'
@@ -56,7 +57,7 @@ def __adjust_for_url(self, str_to_adjust):
             A string with special characters, acceptable for a URL
         """
 
-        return str_to_adjust.replace("#", "%23") if str_to_adjust is not None else None
+        return urllib.parse.quote(str_to_adjust) if str_to_adjust is not None else None
 
 
     def list_files(self, path):
@@ -129,7 +130,7 @@ def list_dsn(self, name_pattern, return_attributes= False):
             A JSON with a list of dataset names (and attributes if specified) matching the given pattern.
         """
         custom_args = self._create_custom_request_arguments()
-        custom_args["params"] = {"dslevel": name_pattern}
+        custom_args["params"] = {"dslevel": self.__adjust_for_url(name_pattern)}
         custom_args["url"] = "{}ds".format(self.request_endpoint)
         
         
diff --git a/tests/unit/test_zos_files.py b/tests/unit/test_zos_files.py
index 1a147a2b..713618a9 100644
--- a/tests/unit/test_zos_files.py
+++ b/tests/unit/test_zos_files.py
@@ -20,6 +20,21 @@ def test_object_should_be_instance_of_class(self):
         files = Files(self.test_profile)
         self.assertIsInstance(files, Files)
 
+    
+    def test_adjust_for_url(self):
+        """Test dataset name is being adjusted to the correct URL parameter"""
+
+        files = Files(self.test_profile)
+        
+        actual_not_empty = files._Files__adjust_for_url('MY.DSN@.TEST#.$HERE')
+        expected_not_empty = 'MY.DSN%40.TEST%23.%24HERE'
+        self.assertEqual(actual_not_empty, expected_not_empty)
+
+        actual_none = files._Files__adjust_for_url(None)
+        expected_none = None
+        self.assertEqual(actual_none, expected_none)
+
+
     @mock.patch('requests.Session.send')
     def test_delete_uss(self, mock_send_request):
         """Test deleting a directory recursively sends a request"""
@@ -74,7 +89,7 @@ def test_unmount_zFS_file_system(self, mock_send_request):
 
     @mock.patch('requests.Session.send')
     def test_list_dsn(self, mock_send_request):
-        """Test creating a zfs sends a request"""
+        """Test list DSN sends request"""
         mock_send_request.return_value = mock.Mock(headers={"Content-Type": "application/json"}, status_code=200)
 
         test_values = [
@@ -337,8 +352,9 @@ def test_rename_dataset_member_parametrized(self):
                 files_test_profile.rename_dataset_member(*test_case[0])
                 custom_args = files_test_profile._create_custom_request_arguments()
                 custom_args["json"] = data
-                custom_args["url"] = "https://mock-url.com:443/zosmf/restfiles/ds/{}({})".format(
-                    test_case[0][0], test_case[0][2])
+                ds_path = "{}({})".format(test_case[0][0], test_case[0][2])
+                ds_path_adjusted = files_test_profile._Files__adjust_for_url(ds_path)
+                custom_args["url"] = "https://mock-url.com:443/zosmf/restfiles/ds/{}".format(ds_path_adjusted)
                 files_test_profile.request_handler.perform_request.assert_called_once_with("PUT", custom_args,
                                                                                            expected_code=[200])
             else: