diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3962bf65..d2271d24d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Added
 
 - Exclusive position for activities that needs to be both first and last position [#438](https://github.com/Mapotempo/optimizer-api/pull/438)
+- The intermediate solutions are now cleaned similarly to the final solution [#435](https://github.com/Mapotempo/optimizer-api/pull/435)
 
 ### Changed
 
diff --git a/test/api/v01/with_solver_test.rb b/test/api/v01/with_solver_test.rb
index a91b70fa5..7270ea55a 100644
--- a/test/api/v01/with_solver_test.rb
+++ b/test/api/v01/with_solver_test.rb
@@ -74,4 +74,33 @@ def test_returned_graph
     end
     delete_completed_job @job_id, api_key: 'ortools' if @job_id
   end
+
+  def test_filter_intermediate_solution
+    # Verify that intermediate solution are correctly filtered
+    asynchronously start_worker: true do
+      vrp = VRP.lat_lon
+      vrp[:configuration][:resolution][:duration] = 2000
+      vrp[:units] = [{ id: 'unit_1' }]
+      vrp[:services].each{ |s|
+        s[:quantities] = [{ unit_id: 'unit_1', value: 1 }]
+      }
+      vrp[:services] << {
+        id: 'vidage_1',
+        activity: {
+          point_id: 'point_0'
+        },
+        quantities: [{
+          unit_id: 'unit_1',
+          empty: true
+        }]
+      }
+      vrp[:vehicles].first[:capacities] = [{ unit_id: 'unit_1', limit: 10 }]
+      vrp[:services] << vrp[:services].last.dup.tap{ |s| s[:id] = 'vidage_2' }
+      vrp[:configuration][:restitution][:intermediate_solutions] = true
+      @job_id = submit_vrp api_key: 'ortools', vrp: vrp
+      result = wait_avancement_match(@job_id, /run optimization, iterations/, api_key: 'ortools')
+      assert_equal "Duplicate empty service.", result['solutions'].first['unassigned'].first['reason']
+    end
+    delete_job(@job_id, api_key: 'ortools') if @job_id
+  end
 end
diff --git a/util/job_manager.rb b/util/job_manager.rb
index e5ae11c45..8120c8517 100644
--- a/util/job_manager.rb
+++ b/util/job_manager.rb
@@ -105,7 +105,10 @@ def perform
               geometry: ask_restitution_geojson
             }
             p[:graph] << { iteration: avancement, cost: cost, time: time }
-            p[:result] = [solution.vrp_result].flatten if solution
+            if solution
+              Cleanse.cleanse(services_vrps.first[:vrp], solution)
+              p[:result] = [solution.vrp_result].flatten
+            end
             begin
               Result.set(self.uuid, p)
             rescue Redis::BaseError => e