diff --git a/docs/examples/workflows/upstream/daemon_nginx.md b/docs/examples/workflows/upstream/daemon_nginx.md
index c1bb2d4c4..707548854 100644
--- a/docs/examples/workflows/upstream/daemon_nginx.md
+++ b/docs/examples/workflows/upstream/daemon_nginx.md
@@ -66,7 +66,7 @@ The upstream example can be [found here](https://github.com/argoproj/argo-workfl
           readinessProbe:
             httpGet:
               path: /
-              port: '80'
+              port: 80
             initialDelaySeconds: 2
             timeoutSeconds: 1
         daemon: true
diff --git a/examples/workflows/upstream/daemon-nginx.yaml b/examples/workflows/upstream/daemon-nginx.yaml
index a38fe5c27..92d5a6b0d 100644
--- a/examples/workflows/upstream/daemon-nginx.yaml
+++ b/examples/workflows/upstream/daemon-nginx.yaml
@@ -10,7 +10,7 @@ spec:
       readinessProbe:
         httpGet:
           path: /
-          port: '80'
+          port: 80
         initialDelaySeconds: 2
         timeoutSeconds: 1
     daemon: true