diff --git a/scheduler/filter/affinity.go b/scheduler/filter/affinity.go
index 554060c027..6028cfd6c7 100644
--- a/scheduler/filter/affinity.go
+++ b/scheduler/filter/affinity.go
@@ -34,7 +34,9 @@ func (f *AffinityFilter) Filter(config *cluster.ContainerConfig, nodes []*node.N
 			case "container":
 				containers := []string{}
 				for _, container := range node.Containers {
-					containers = append(containers, container.Id, strings.TrimPrefix(container.Names[0], "/"))
+					if len(container.Names) > 0 {
+						containers = append(containers, container.Id, strings.TrimPrefix(container.Names[0], "/"))
+					}
 				}
 				if affinity.Match(containers...) {
 					candidates = append(candidates, node)