diff --git a/server/lib/python/cartodb_services/cartodb_services/mapzen/isolines.py b/server/lib/python/cartodb_services/cartodb_services/mapzen/isolines.py
index c9e16fa..e6f51be 100644
--- a/server/lib/python/cartodb_services/cartodb_services/mapzen/isolines.py
+++ b/server/lib/python/cartodb_services/cartodb_services/mapzen/isolines.py
@@ -86,7 +86,7 @@ class MapzenIsolines:
     def calculate_isoline(self, origin, costing_model, isorange, upper_rmax, cost_variable, unit_factor=1.0):
 
         # NOTE: not for production
-        self._logger.debug('Calculate isoline', data={"origin": origin, "costing_model": costing_model, "isorange": isorange})
+        # self._logger.debug('Calculate isoline', data={"origin": origin, "costing_model": costing_model, "isorange": isorange})
 
         # Formally, a solution is an array of {angle, radius, lat, lon, cost} with cardinality NUMBER_OF_ANGLES
         # we're looking for a solution in which abs(cost - isorange) / isorange <= TOLERANCE
diff --git a/server/lib/python/cartodb_services/cartodb_services/mapzen/matrix_client.py b/server/lib/python/cartodb_services/cartodb_services/mapzen/matrix_client.py
index 96d11d0..e6bf3e3 100644
--- a/server/lib/python/cartodb_services/cartodb_services/mapzen/matrix_client.py
+++ b/server/lib/python/cartodb_services/cartodb_services/mapzen/matrix_client.py
@@ -57,6 +57,12 @@ class MatrixClient:
             # isolines generation
             if response.status_code == requests.codes.bad_request:
                 return {}
+            elif response.status_coe == 504:
+                # Due to some unsolved problems in the Mapzen Matrix API we're
+                # getting randomly 504, probably timeouts. To avoid raise an
+                # exception in all the jobs, for now we're going to return
+                # empty in that case
+                return {}
             else:
                 raise ServiceException("Error trying to get matrix distance from mapzen", response)