diff --git a/container/docker/handler.go b/container/docker/handler.go
index c727300e..f6456a4c 100644
--- a/container/docker/handler.go
+++ b/container/docker/handler.go
@@ -209,6 +209,12 @@ func libcontainerToContainerStats(s *cgroups.Stats, mi *info.MachineInfo) *info.
 		ret.Memory.ContainerData.Pgmajfault = v
 		ret.Memory.HierarchicalData.Pgmajfault = v
 	}
+	if v, ok := s.MemoryStats.Stats["total_inactive_anon"]; ok {
+		ret.Memory.WorkingSet = ret.Memory.Usage - v
+		if v, ok := s.MemoryStats.Stats["total_active_file"]; ok {
+			ret.Memory.WorkingSet -= v
+		}
+	}
 	return ret
 }