diff --git a/scheduler/filter/port.go b/scheduler/filter/port.go
index 9bd2a04f6c..e6a0914e8d 100644
--- a/scheduler/filter/port.go
+++ b/scheduler/filter/port.go
@@ -33,7 +33,7 @@ func (p *PortFilter) Filter(config *dockerclient.ContainerConfig, nodes []*clust
 
 func (p *PortFilter) portAlreadyInUse(node *cluster.Node, requested dockerclient.PortBinding) bool {
 	for _, c := range node.Containers() {
-		for _, port := range c.Info.NetworkSettings.Ports {
+		for _, port := range c.Info.HostConfig.PortBindings {
 			for _, binding := range port {
 				if binding.HostPort == requested.HostPort {
 					// Another container on the same host is binding on the same