diff --git a/kubernetes/contrib/charts/netbox/charts/netbox-app/values.yaml b/kubernetes/contrib/charts/netbox/charts/netbox-app/values.yaml
index a1e330a..a60bbb4 100755
--- a/kubernetes/contrib/charts/netbox/charts/netbox-app/values.yaml
+++ b/kubernetes/contrib/charts/netbox/charts/netbox-app/values.yaml
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 global: # global defaults
-  nodePortPrefix: 302
+  nodePortPrefixExt: 304
   persistence: {}
 
 config:
@@ -112,4 +112,4 @@
   initialDelaySeconds: 10
   periodSeconds: 10
 
-resources: {}
\ No newline at end of file
+resources: {}
diff --git a/kubernetes/contrib/charts/netbox/charts/netbox-nginx/templates/service.yaml b/kubernetes/contrib/charts/netbox/charts/netbox-nginx/templates/service.yaml
index 90fca37..3490306 100755
--- a/kubernetes/contrib/charts/netbox/charts/netbox-nginx/templates/service.yaml
+++ b/kubernetes/contrib/charts/netbox/charts/netbox-nginx/templates/service.yaml
@@ -29,7 +29,7 @@
   ports:
     {{if eq .Values.service.type "NodePort" -}}
     - port: {{ .Values.service.internalPort }}
-      nodePort: {{ .Values.global.nodePortPrefix | default .Values.nodePortPrefix }}{{ .Values.service.nodePort }}
+      nodePort: {{ .Values.global.nodePortPrefixExt | default .Values.nodePortPrefixExt }}{{ .Values.service.nodePort }}
     {{- else -}}
     - port: {{ .Values.service.externalPort }}
       targetPort: {{ .Values.service.internalPort }}
diff --git a/kubernetes/contrib/charts/netbox/charts/netbox-nginx/values.yaml b/kubernetes/contrib/charts/netbox/charts/netbox-nginx/values.yaml
index e1845c8..14fedc8 100755
--- a/kubernetes/contrib/charts/netbox/charts/netbox-nginx/values.yaml
+++ b/kubernetes/contrib/charts/netbox/charts/netbox-nginx/values.yaml
@@ -17,7 +17,7 @@
 # Declare variables to be passed into your templates.
 
 global: # global defaults
-  nodePortPrefix: 304
+  nodePortPrefixExt: 304
   persistence: {}
   pullPolicy: Always
 
@@ -81,4 +81,4 @@
   internalPort: 8080
   nodePort: 20
 
-resources: {}
\ No newline at end of file
+resources: {}
diff --git a/kubernetes/contrib/charts/netbox/charts/netbox-postgres/values.yaml b/kubernetes/contrib/charts/netbox/charts/netbox-postgres/values.yaml
index 39ff3ed..e662567 100755
--- a/kubernetes/contrib/charts/netbox/charts/netbox-postgres/values.yaml
+++ b/kubernetes/contrib/charts/netbox/charts/netbox-postgres/values.yaml
@@ -17,7 +17,7 @@
 # Declare variables to be passed into your templates.
 
 global: # global defaults
-  nodePortPrefix: 302
+  nodePortPrefixExt: 304
   persistence: {}
 
 # application image
diff --git a/kubernetes/contrib/charts/netbox/values.yaml b/kubernetes/contrib/charts/netbox/values.yaml
index 6665064..2dfb36b 100755
--- a/kubernetes/contrib/charts/netbox/values.yaml
+++ b/kubernetes/contrib/charts/netbox/values.yaml
@@ -16,7 +16,7 @@
 # Global configuration defaults.
 #################################################################
 global:
-  nodePortPrefix: 302
+  nodePortPrefixExt: 304
   commonConfigPrefix: netbox
   readinessRepository: oomk8s
   readinessImage: readiness-check:2.0.0