diff --git a/k8s.jsonnet b/k8s.jsonnet
index 6ea089c..bcd52aa 100644
--- a/k8s.jsonnet
+++ b/k8s.jsonnet
@@ -283,7 +283,7 @@
                 path: path,
                 pathType: type,
                 backend: {
-                  serviceName: "wubloader-%s" % name,
+                  serviceName: "wubloader-%s" % std.strReplace(name, "-", "_"),
                   servicePort: 80,
                 },
               },