diff --git a/network.go b/network.go
index 3864cca8cd..1397de0557 100644
--- a/network.go
+++ b/network.go
@@ -661,6 +661,9 @@ func (manager *NetworkManager) Allocate() (*NetworkInterface, error) {
 }
 
 func (manager *NetworkManager) Close() error {
+	if manager.disabled {
+		return nil
+	}
 	err1 := manager.tcpPortAllocator.Close()
 	err2 := manager.udpPortAllocator.Close()
 	err3 := manager.ipAllocator.Close()
diff --git a/server.go b/server.go
index a65a839428..db1dce74d7 100644
--- a/server.go
+++ b/server.go
@@ -63,7 +63,10 @@ func jobInitApi(job *engine.Job) string {
 	}()
 	job.Eng.Hack_SetGlobalVar("httpapi.server", srv)
 	job.Eng.Hack_SetGlobalVar("httpapi.runtime", srv.runtime)
-	job.Eng.Hack_SetGlobalVar("httpapi.bridgeIP", srv.runtime.networkManager.bridgeNetwork.IP)
+	// https://github.com/dotcloud/docker/issues/2768
+	if srv.runtime.networkManager.bridgeNetwork != nil {
+		job.Eng.Hack_SetGlobalVar("httpapi.bridgeIP", srv.runtime.networkManager.bridgeNetwork.IP)
+	}
 	if err := job.Eng.Register("create", srv.ContainerCreate); err != nil {
 		return err.Error()
 	}