diff --git a/server/lib/python/cartodb_services/cartodb_services/here/routing.py b/server/lib/python/cartodb_services/cartodb_services/here/routing.py
index ab36adf..fddc3d7 100644
--- a/server/lib/python/cartodb_services/cartodb_services/here/routing.py
+++ b/server/lib/python/cartodb_services/cartodb_services/here/routing.py
@@ -115,7 +115,7 @@ class HereMapsRoutingIsoline(Traceable):
 
     def __parse_source_param(self, source, options):
         key = 'start'
-        if 'is_destination' in options and options['is_destination']:
+        if 'is_destination' in options and options['is_destination'].lower() == 'true':
             key = 'destination'
 
         return {key: source}
diff --git a/server/lib/python/cartodb_services/setup.py b/server/lib/python/cartodb_services/setup.py
index 3c644e5..30e60e2 100644
--- a/server/lib/python/cartodb_services/setup.py
+++ b/server/lib/python/cartodb_services/setup.py
@@ -10,7 +10,7 @@ from setuptools import setup, find_packages
 setup(
     name='cartodb_services',
 
-    version='0.23.1',
+    version='0.23.2',
 
     description='CartoDB Services API Python Library',
 
diff --git a/server/lib/python/cartodb_services/test/test_heremapsrouting.py b/server/lib/python/cartodb_services/test/test_heremapsrouting.py
index 6226572..96c114c 100644
--- a/server/lib/python/cartodb_services/test/test_heremapsrouting.py
+++ b/server/lib/python/cartodb_services/test/test_heremapsrouting.py
@@ -204,6 +204,16 @@ class HereMapsRoutingIsolineTestCase(unittest.TestCase):
                          'fastest;car;traffic:false;motorway:-1')
 
     def test_source_parameters_works_properly(self, req_mock):
+        req_mock.register_uri('GET', requests_mock.ANY,
+                              text=self.GOOD_RESPONSE)
+        response = self.routing.calculate_isochrone('geo!33.0,1.0', 'car',
+                                                    ['1000', '2000'],
+                                                    ['is_destination=false'])
+        parsed_url = urlparse(req_mock.request_history[0].url)
+        url_params = parse_qs(parsed_url.query)
+        self.assertEqual(url_params['start'][0], 'geo!33.0,1.0')
+
+    def test_destination_parameters_works_properly(self, req_mock):
         req_mock.register_uri('GET', requests_mock.ANY,
                               text=self.GOOD_RESPONSE)
         response = self.routing.calculate_isochrone('geo!33.0,1.0', 'car',