diff --git a/runtime.go b/runtime.go
index 671694fce5..581f6a8d83 100644
--- a/runtime.go
+++ b/runtime.go
@@ -172,6 +172,7 @@ func (runtime *Runtime) Register(container *Container) error {
 	if !container.State.Running {
 		close(container.waitLock)
 	} else if !nomonitor {
+		container.allocateNetwork()
 		go container.monitor()
 	}
 	return nil