diff --git a/workloads/nip-io.yml b/workloads/nip-io.yml
index 64ca6f8..1680869 100644
--- a/workloads/nip-io.yml
+++ b/workloads/nip-io.yml
@@ -18,10 +18,10 @@ spec:
         name: nip-io
         ports:
         - containerPort: 53
-          name: dns_tcp
+          name: dns-tcp
           protocol: TCP
         - containerPort: 53
-          name: dns_udp
+          name: dns-udp
           protocol: UDP
 ---
 kind: Service
@@ -33,13 +33,13 @@ spec:
   selector:
     app: nip-io
   ports:
-  - name: dns_tcp
+  - name: dns-tcp
     protocol: TCP
     port: 53
     nodePort: 31053
-    targetPort: dns_tcp
-  - name: dns_udp
+    targetPort: dns-tcp
+  - name: dns-udp
     protocol: UDP
     port: 53
     nodePort: 31053
-    targetPort: dns_udp
+    targetPort: dns-udp