diff --git a/config/crd/bases/http.keda.sh_httpscaledobjects.yaml b/config/crd/bases/http.keda.sh_httpscaledobjects.yaml
index ccb3653f..1bcff027 100644
--- a/config/crd/bases/http.keda.sh_httpscaledobjects.yaml
+++ b/config/crd/bases/http.keda.sh_httpscaledobjects.yaml
@@ -93,8 +93,9 @@ spec:
                     type: integer
                 type: object
               scaleTargetRef:
-                description: The name of the deployment to route HTTP requests to
-                  (and to autoscale).
+                description: |-
+                  The name of the deployment to route HTTP requests to (and to autoscale).
+                  Including validation as a requirement to define either the PortName or the Port
                 properties:
                   apiVersion:
                     type: string
@@ -106,19 +107,18 @@ spec:
                     description: The port to route to
                     format: int32
                     type: integer
-                    x-kubernetes-validations:
-                    - rule: '!has(self.PortName) && has(self.Port)'
                   portName:
                     description: The port to route to referenced by name
                     type: string
-                    x-kubernetes-validations:
-                    - rule: '!has(self.Port) && has(self.PortName)'
                   service:
                     description: The name of the service to route to
                     type: string
                 required:
                 - service
                 type: object
+                x-kubernetes-validations:
+                - message: must define either the 'portName' or the 'port'
+                  rule: has(self.portName) != has(self.port)
               scaledownPeriod:
                 description: (optional) Cooldown period value
                 format: int32
diff --git a/operator/apis/http/v1alpha1/httpscaledobject_types.go b/operator/apis/http/v1alpha1/httpscaledobject_types.go
index fcde8787..9bacfa08 100644
--- a/operator/apis/http/v1alpha1/httpscaledobject_types.go
+++ b/operator/apis/http/v1alpha1/httpscaledobject_types.go
@@ -31,10 +31,8 @@ type ScaleTargetRef struct {
 	// The name of the service to route to
 	Service string `json:"service"`
 	// The port to route to
-	// +kubebuilder:validation:XValidation:rule=!has(self.PortName) && has(self.Port)
 	Port int32 `json:"port,omitempty"`
 	// The port to route to referenced by name
-	// +kubebuilder:validation:XValidation:rule=!has(self.Port) && has(self.PortName)
 	PortName string `json:"portName,omitempty"`
 }
 
@@ -92,6 +90,8 @@ type HTTPScaledObjectSpec struct {
 	// +optional
 	PathPrefixes []string `json:"pathPrefixes,omitempty"`
 	// The name of the deployment to route HTTP requests to (and to autoscale).
+	// Including validation as a requirement to define either the PortName or the Port
+	// +kubebuilder:validation:XValidation:rule="has(self.portName) != has(self.port)",message="must define either the 'portName' or the 'port'"
 	ScaleTargetRef ScaleTargetRef `json:"scaleTargetRef"`
 	// (optional) Replica information
 	// +optional