                 @.$('.replica-status').html @progress_bar.render(0, expected_num_replicas, progress_bar_info).$el
                 @expected_num_replicas = progress_bar_info.new_value # Let's cache this value for the case when the blueprint was not regenerated (yet)
 
+                # Reset the number of replicated blocks
+                @total_blocks = undefined
+                @replicated_blocks = undefined
             # The server did valid the changes the user just made
             else if progress_bar_info?.got_response is true
                 expected_num_replicas = progress_bar_info.replicas_length*progress_bar_info.shards_length
                 @.$('.replica-status').html @progress_bar.render(0, expected_num_replicas, progress_bar_info).$el
 
+                # Reset the number of replicated blocks
                 @expected_num_replicas = expected_num_replicas # Let's cache this value for the case when the blueprint was not regenerated (yet)
+                @total_blocks = undefined
+                @replicated_blocks = undefined
 
             # If we got an update from progress_list
             else if progress_bar_info?.backfilling_updated is true

            @model.off 'change:ack_expectations', @render_acks_greater_than_replicas
            @model.on 'change:shards', @render_progress_server_update
            progress_list.on 'all', @render_progress
            directory.on 'all', @render_status

    class @DatacenterReplicas extends Backbone.View
        className: 'datacenter_view'

                # In case we don't, se skip to processing (we do not show the "Started stage"
                if num_replicas_not_ready > 0 and @progress_bar.stage is 'none'
                    @progress_bar.skip_to_processing() # We set the state to processing

                if @total_blocks? and @replicated_blocks?
                    # @render_status was called by a change in the directory
                    progress_bar_info = _.extend progress_bar_info,
                        total_blocks: @total_blocks
                        replicated_blocks: @replicated_blocks

                if num_replicas_ready+num_replicas_not_ready is @expected_num_replicas
                    @.$('.replica-status').html @progress_bar.render(num_replicas_ready, num_replicas_ready+num_replicas_not_ready, progress_bar_info).$el
