diff --git a/client/renderer/interface.yaml b/client/renderer/interface.yaml
index 95d7e88..06d57e6 100644
--- a/client/renderer/interface.yaml
+++ b/client/renderer/interface.yaml
@@ -177,7 +177,7 @@
   multi_field: true
   requires_permission: true
   permission_name: isolines
-  permission_error: Isolines are not allowed
+  permission_error: Isolines permission denied
   params:
     - { name: source,  type: "geometry(Geometry, 4326)" }
     - { name: mode, type: text }
@@ -190,7 +190,7 @@
   multi_field: true
   requires_permission: true
   permission_name: isolines
-  permission_error: Isolines are not allowed
+  permission_error: Isolines permission denied
   params:
     - { name: source,  type: "geometry(Geometry, 4326)" }
     - { name: mode, type: text }
@@ -203,7 +203,7 @@
   multi_field: true
   requires_permission: true
   permission_name: isolines
-  permission_error: Isolines are not allowed
+  permission_error: Isolines permission denied
   params:
     - { name: source,  type: "geometry(Geometry, 4326)" }
     - { name: mode, type: text }
@@ -216,7 +216,7 @@
   multi_field: true
   requires_permission: true
   permission_name: isolines
-  permission_error: Isolines are not allowed
+  permission_error: Isolines permission denied
   params:
     - { name: source,  type: "geometry(Geometry, 4326)" }
     - { name: mode, type: text }
@@ -229,7 +229,7 @@
   multi_field: true
   requires_permission: true
   permission_name: isolines
-  permission_error: Isolines are not allowed
+  permission_error: Isolines permission denied
   params:
     - { name: source,  type: "geometry(Geometry, 4326)" }
     - { name: mode, type: text }
@@ -242,7 +242,7 @@
   multi_field: true
   requires_permission: true
   permission_name: isolines
-  permission_error: Isolines are not allowed
+  permission_error: Isolines permission denied
   params:
     - { name: source,  type: "geometry(Geometry, 4326)" }
     - { name: mode, type: text }
@@ -255,7 +255,7 @@
   multi_field: true
   requires_permission: true
   permission_name: isolines
-  permission_error: Isolines are not allowed
+  permission_error: Isolines permission denied
   params:
     - { name: source,  type: "geometry(Geometry, 4326)" }
     - { name: mode, type: text }
@@ -268,7 +268,7 @@
   multi_field: true
   requires_permission: true
   permission_name: isolines
-  permission_error: Isolines are not allowed
+  permission_error: Isolines permission denied
   params:
     - { name: source,  type: "geometry(Geometry, 4326)" }
     - { name: mode, type: text }
diff --git a/client/test/expected/25_exception_safe_private_functions_test.out b/client/test/expected/25_exception_safe_private_functions_test.out
index 444c35f..c5bcd1f 100644
--- a/client/test/expected/25_exception_safe_private_functions_test.out
+++ b/client/test/expected/25_exception_safe_private_functions_test.out
@@ -33,7 +33,7 @@ SET ROLE test_regular_user; -- Use regular user role
 SELECT _cdb_geocode_street_point_exception_safe('One street, 1');
 ERROR:  Geocoding permission denied
 SELECT * FROM _cdb_isodistance_exception_safe('POINT(-3.70568 40.42028)'::geometry, 'walk', ARRAY[300]::integer[]);
-ERROR:  Isolines are not allowed
+ERROR:  Isolines permission denied
 SELECT * FROM _cdb_route_point_to_point_exception_safe('POINT(-3.70237112 40.41706163)'::geometry,'POINT(-3.69909883 40.41236875)'::geometry, 'car', ARRAY['mode_type=shortest']::text[]);
 ERROR:  Routing permission denied
 -- No permissions granted but conf created
@@ -48,7 +48,7 @@ SET ROLE test_regular_user; -- Use regular user role
 SELECT _cdb_geocode_street_point_exception_safe('One street, 1');
 ERROR:  Geocoding permission denied
 SELECT * FROM _cdb_isodistance_exception_safe('POINT(-3.70568 40.42028)'::geometry, 'walk', ARRAY[300]::integer[]);
-ERROR:  Isolines are not allowed
+ERROR:  Isolines permission denied
 SELECT * FROM _cdb_route_point_to_point_exception_safe('POINT(-3.70237112 40.41706163)'::geometry,'POINT(-3.69909883 40.41236875)'::geometry, 'car', ARRAY['mode_type=shortest']::text[]);
 ERROR:  Routing permission denied
 -- Grant geocoding permissions