diff --git a/pkg/operators/v1alpha1/subscription_types.go b/pkg/operators/v1alpha1/subscription_types.go
index e6022ba31..a54674b55 100644
--- a/pkg/operators/v1alpha1/subscription_types.go
+++ b/pkg/operators/v1alpha1/subscription_types.go
@@ -94,7 +94,7 @@ type SubscriptionConfig struct {
 	// DeploymentAnnotations is an unstructured key value map stored with a resource that may be
 	// set by external tools to store and retrieve arbitrary metadata.
 	// +optional
-	DeploymentAnnotations map[string]string `json:"deployment_annotations,omitempty" protobuf:"bytes,12,rep,name=deployment_annotations"`
+	DeploymentAnnotations map[string]string `json:"deploymentAnnotations,omitempty" protobuf:"bytes,12,rep,name=deploymentAnnotations"`
 }
 
 // SubscriptionConditionType indicates an explicit state condition about a Subscription in "abnormal-true"