diff --git a/pywps/inout/basic.py b/pywps/inout/basic.py
index c4a7470fb..02f54c478 100644
--- a/pywps/inout/basic.py
+++ b/pywps/inout/basic.py
@@ -965,7 +965,9 @@ def storage(self, storage):
     def get_url(self):
         """Return URL pointing to data
         """
-        url = self.storage.url(self)
+        # TODO: it is not obvious that storing happens here
+        (_, _, url) = self.storage.store(self)
+        # url = self.storage.url(self)
         return url
 
 
diff --git a/pywps/inout/storage/file.py b/pywps/inout/storage/file.py
index e1fbf8a35..77e0081ce 100644
--- a/pywps/inout/storage/file.py
+++ b/pywps/inout/storage/file.py
@@ -108,7 +108,7 @@ def _do_store(self, output):
 
         just_file_name = os.path.basename(output_name)
 
-        url = self.url(urljoin(str(request_uuid), just_file_name))
+        url = self.url("{}/{}".format(request_uuid, just_file_name))
         LOGGER.info('File output URI: {}'.format(url))
 
         return (STORE_TYPE.PATH, output_name, url)
@@ -131,7 +131,7 @@ def url(self, destination):
         if isinstance(destination, IOHandler):
             output_name, _ = _build_output_name(destination)
             just_file_name = os.path.basename(output_name)
-            dst = urljoin(str(destination.uuid), just_file_name)
+            dst = "{}/{}".format(destination.uuid, just_file_name)
         else:
             dst = destination
 
diff --git a/tests/test_filestorage.py b/tests/test_filestorage.py
index 1433e1b86..6c768f246 100644
--- a/tests/test_filestorage.py
+++ b/tests/test_filestorage.py
@@ -15,6 +15,7 @@
 
 import unittest
 
+
 class FileStorageTests(unittest.TestCase):
 
     def setUp(self):
@@ -42,7 +43,6 @@ def test_store(self):
         with open(self.tmp_dir + '/' + store_str) as f:
             self.assertEqual(f.read(), "Hello World!")
 
-
     def test_write(self):
         configuration.CONFIG.set('server', 'outputpath', self.tmp_dir)
         configuration.CONFIG.set('server', 'outputurl', 'file://' + self.tmp_dir)
@@ -61,16 +61,16 @@ def test_url(self):
         storage = FileStorageBuilder().build()
         output = ComplexOutput('testme', 'Test', supported_formats=[FORMATS.TEXT], workdir=self.tmp_dir)
         output.data = "Hello World!"
+        output.uuid = '595129f0-1a6c-11ea-a30c-acde48001122'
         url = storage.url(output)
 
-        self.assertEqual('file://' + self.tmp_dir + '/input.txt', url)
+        self.assertEqual('file://' + self.tmp_dir + '/595129f0-1a6c-11ea-a30c-acde48001122' + '/input.txt', url)
 
         file_name = 'test.txt'
         url = storage.url(file_name)
 
         self.assertEqual('file://' + self.tmp_dir + '/test.txt', url)
 
-
     def test_location(self):
         configuration.CONFIG.set('server', 'outputpath', self.tmp_dir)
         storage = FileStorageBuilder().build()
@@ -88,4 +88,4 @@ def load_tests(loader=None, tests=None, pattern=None):
     suite_list = [
         loader.loadTestsFromTestCase(FileStorageTests)
     ]
-    return unittest.TestSuite(suite_list)
\ No newline at end of file
+    return unittest.TestSuite(suite_list)