diff --git a/.travis.yml b/.travis.yml
index 8822de94762ae..d4a3fb5bf72ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ install:
   - ./hack/verify-boilerplate.sh
   - ./hack/install-std-race.sh
   - ./hack/build-go.sh
+  - go get ./contrib/podex
 
 script:
   - KUBE_TIMEOUT='-timeout 60s' ./hack/test-go.sh
diff --git a/contrib/podex/podex.go b/contrib/podex/podex.go
index 3de8aab50610d..bfde3e67388eb 100644
--- a/contrib/podex/podex.go
+++ b/contrib/podex/podex.go
@@ -98,7 +98,7 @@ func main() {
 		manifest.Containers[0].Ports = append(manifest.Containers[0].Ports, v1beta1.Port{
 			Name:          strings.Join([]string{baseName, p.Proto(), p.Port()}, "-"),
 			ContainerPort: port,
-			Protocol:      strings.ToUpper(p.Proto()),
+			Protocol:      v1beta1.Protocol(strings.ToUpper(p.Proto())),
 		})
 	}
 	if *generateJSON {