diff --git a/charts/capsule/values.schema.json b/charts/capsule/values.schema.json
index c094c7a1..e1f6ca42 100644
--- a/charts/capsule/values.schema.json
+++ b/charts/capsule/values.schema.json
@@ -39,7 +39,10 @@
                         },
                         "port": {
                             "description": "Custom service port for the webhook service",
-                            "type": "null"
+                            "type": [
+                                "integer",
+                                "null"
+                            ]
                         },
                         "url": {
                             "description": "The URL where the capsule webhook services are running (Overwrites cluster scoped service definition)",
@@ -2176,7 +2179,10 @@
                         },
                         "port": {
                             "description": "Custom service port for the webhook service",
-                            "type": "null"
+                            "type": [
+                                "integer",
+                                "null"
+                            ]
                         },
                         "url": {
                             "description": "The URL where the capsule webhook services are running (Overwrites cluster scoped service definition)",
diff --git a/charts/capsule/values.yaml b/charts/capsule/values.yaml
index 2f417960..d3c937de 100644
--- a/charts/capsule/values.yaml
+++ b/charts/capsule/values.yaml
@@ -466,7 +466,7 @@ conversions:
     # -- Custom service namespace for the webhook service
     namespace: ""
     # -- Custom service port for the webhook service
-    port:
+    port: # @schema type:[integer, null]
 
 
 # Webhooks configurations
@@ -495,7 +495,7 @@ webhooks:
     # -- Custom service namespace for the webhook service
     namespace: ""
     # -- Custom service port for the webhook service
-    port:
+    port: # @schema type:[integer, null]
 
   # Admission Webhook Configuration
   hooks: