diff --git a/pkg/api/v1beta1/types.go b/pkg/api/v1beta1/types.go
index 929ec181dd9..5c8358a1a4e 100644
--- a/pkg/api/v1beta1/types.go
+++ b/pkg/api/v1beta1/types.go
@@ -608,7 +608,7 @@ type Endpoints struct {
 	// Optional: The IP protocol for these endpoints. Supports "TCP" and
 	// "UDP".  Defaults to "TCP".
 	Protocol  Protocol `json:"protocol,omitempty" description:"IP protocol for endpoint ports; must be UDP or TCP; TCP if unspecified"`
-	Endpoints []string `json:"endpoints,omitempty" description:"list of endpoints corresponding to a service, of the form address:port, such as 10.10.1.1:1909"`
+	Endpoints []string `json:"endpoints" description:"list of endpoints corresponding to a service, of the form address:port, such as 10.10.1.1:1909"`
 }
 
 // EndpointsList is a list of endpoints.
diff --git a/pkg/api/v1beta2/types.go b/pkg/api/v1beta2/types.go
index 314aa4f9d51..94d8fb7e90e 100644
--- a/pkg/api/v1beta2/types.go
+++ b/pkg/api/v1beta2/types.go
@@ -572,7 +572,7 @@ type Endpoints struct {
 	// Optional: The IP protocol for these endpoints. Supports "TCP" and
 	// "UDP".  Defaults to "TCP".
 	Protocol  Protocol `json:"protocol,omitempty" description:"IP protocol for endpoint ports; must be UDP or TCP; TCP if unspecified"`
-	Endpoints []string `json:"endpoints,omitempty" description:"list of endpoints corresponding to a service, of the form address:port, such as 10.10.1.1:1909"`
+	Endpoints []string `json:"endpoints" description:"list of endpoints corresponding to a service, of the form address:port, such as 10.10.1.1:1909"`
 }
 
 // EndpointsList is a list of endpoints.