diff --git a/pkg/api/errors/errors_test.go b/pkg/api/errors/errors_test.go
index 49edec7880d..d33db59b4b4 100644
--- a/pkg/api/errors/errors_test.go
+++ b/pkg/api/errors/errors_test.go
@@ -29,26 +29,26 @@ import (
 func TestErrorNew(t *testing.T) {
 	err := NewAlreadyExists("test", "1")
 	if !IsAlreadyExists(err) {
-		t.Errorf("expected to be already_exists")
+		t.Errorf("expected to be %s", api.StatusReasonAlreadyExists)
 	}
 	if IsConflict(err) {
-		t.Errorf("expected to not be confict")
+		t.Errorf("expected to not be %s", api.StatusReasonConflict)
 	}
 	if IsNotFound(err) {
 		t.Errorf(fmt.Sprintf("expected to not be %s", api.StatusReasonNotFound))
 	}
 	if IsInvalid(err) {
-		t.Errorf("expected to not be invalid")
+		t.Errorf("expected to not be %s", api.StatusReasonInvalid)
 	}
 
 	if !IsConflict(NewConflict("test", "2", errors.New("message"))) {
 		t.Errorf("expected to be conflict")
 	}
 	if !IsNotFound(NewNotFound("test", "3")) {
-		t.Errorf("expected to be not found")
+		t.Errorf("expected to be %s", api.StatusReasonNotFound)
 	}
 	if !IsInvalid(NewInvalid("test", "2", nil)) {
-		t.Errorf("expected to be invalid")
+		t.Errorf("expected to be %s", api.StatusReasonInvalid)
 	}
 }
 
diff --git a/pkg/api/types.go b/pkg/api/types.go
index 2cf12bb3a33..7a8eb24140d 100644
--- a/pkg/api/types.go
+++ b/pkg/api/types.go
@@ -522,7 +522,7 @@ const (
 	//   "Location" - HTTP header populated with a URL that can retrieved the final
 	//                status of this operation.
 	// Status code 202
-	StatusReasonWorking StatusReason = "working"
+	StatusReasonWorking StatusReason = "Working"
 
 	// StatusReasonNotFound means one or more resources required for this operation
 	// could not be found.
@@ -532,21 +532,21 @@ const (
 	//                   resource.
 	//   "id"   string - the identifier of the missing resource
 	// Status code 404
-	StatusReasonNotFound StatusReason = "not_found"
+	StatusReasonNotFound StatusReason = "NotFound"
 
 	// StatusReasonAlreadyExists means the resource you are creating already exists.
 	// Details (optional):
 	//   "kind" string - the kind attribute of the conflicting resource
 	//   "id"   string - the identifier of the conflicting resource
 	// Status code 409
-	StatusReasonAlreadyExists StatusReason = "already_exists"
+	StatusReasonAlreadyExists StatusReason = "AlreadyExists"
 
 	// StatusReasonConflict means the requested update operation cannot be completed
 	// due to a conflict in the operation. The client may need to alter the request.
 	// Each resource may define custom details that indicate the nature of the
 	// conflict.
 	// Status code 409
-	StatusReasonConflict StatusReason = "conflict"
+	StatusReasonConflict StatusReason = "Conflict"
 
 	// StatusReasonInvalid means the requested create or update operation cannot be
 	// completed due to invalid data provided as part of the request. The client may
@@ -559,7 +559,7 @@ const (
 	//                   provided resource that was invalid.  The code, message, and
 	//                   field attributes will be set.
 	// Status code 422
-	StatusReasonInvalid StatusReason = "invalid"
+	StatusReasonInvalid StatusReason = "Invalid"
 )
 
 // StatusCause provides more information about an api.Status failure, including
diff --git a/pkg/api/v1beta1/types.go b/pkg/api/v1beta1/types.go
index 5b8f3ae7a76..6d7ff9994d6 100644
--- a/pkg/api/v1beta1/types.go
+++ b/pkg/api/v1beta1/types.go
@@ -538,7 +538,7 @@ const (
 	//   "Location" - HTTP header populated with a URL that can retrieved the final
 	//                status of this operation.
 	// Status code 202
-	StatusReasonWorking StatusReason = "working"
+	StatusReasonWorking StatusReason = "Working"
 
 	// StatusReasonNotFound means one or more resources required for this operation
 	// could not be found.
@@ -548,21 +548,21 @@ const (
 	//                   resource.
 	//   "id"   string - the identifier of the missing resource
 	// Status code 404
-	StatusReasonNotFound StatusReason = "notFound"
+	StatusReasonNotFound StatusReason = "NotFound"
 
 	// StatusReasonAlreadyExists means the resource you are creating already exists.
 	// Details (optional):
 	//   "kind" string - the kind attribute of the conflicting resource
 	//   "id"   string - the identifier of the conflicting resource
 	// Status code 409
-	StatusReasonAlreadyExists StatusReason = "alreadyExists"
+	StatusReasonAlreadyExists StatusReason = "AlreadyExists"
 
 	// StatusReasonConflict means the requested update operation cannot be completed
 	// due to a conflict in the operation. The client may need to alter the request.
 	// Each resource may define custom details that indicate the nature of the
 	// conflict.
 	// Status code 409
-	StatusReasonConflict StatusReason = "conflict"
+	StatusReasonConflict StatusReason = "Conflict"
 )
 
 // StatusCause provides more information about an api.Status failure, including
diff --git a/pkg/api/v1beta2/types.go b/pkg/api/v1beta2/types.go
index ae716f51dee..2cdbcf619dc 100644
--- a/pkg/api/v1beta2/types.go
+++ b/pkg/api/v1beta2/types.go
@@ -535,7 +535,7 @@ const (
 	//   "Location" - HTTP header populated with a URL that can retrieved the final
 	//                status of this operation.
 	// Status code 202
-	StatusReasonWorking StatusReason = "working"
+	StatusReasonWorking StatusReason = "Working"
 
 	// StatusReasonNotFound means one or more resources required for this operation
 	// could not be found.
@@ -545,21 +545,21 @@ const (
 	//                   resource.
 	//   "id"   string - the identifier of the missing resource
 	// Status code 404
-	StatusReasonNotFound StatusReason = "not_found"
+	StatusReasonNotFound StatusReason = "NotFound"
 
 	// StatusReasonAlreadyExists means the resource you are creating already exists.
 	// Details (optional):
 	//   "kind" string - the kind attribute of the conflicting resource
 	//   "id"   string - the identifier of the conflicting resource
 	// Status code 409
-	StatusReasonAlreadyExists StatusReason = "already_exists"
+	StatusReasonAlreadyExists StatusReason = "AlreadyExists"
 
 	// StatusReasonConflict means the requested update operation cannot be completed
 	// due to a conflict in the operation. The client may need to alter the request.
 	// Each resource may define custom details that indicate the nature of the
 	// conflict.
 	// Status code 409
-	StatusReasonConflict StatusReason = "conflict"
+	StatusReasonConflict StatusReason = "Conflict"
 
 	// StatusReasonInvalid means the requested create or update operation cannot be
 	// completed due to invalid data provided as part of the request. The client may
@@ -572,7 +572,7 @@ const (
 	//                   provided resource that was invalid.  The code, message, and
 	//                   field attributes will be set.
 	// Status code 422
-	StatusReasonInvalid StatusReason = "invalid"
+	StatusReasonInvalid StatusReason = "Invalid"
 )
 
 // StatusCause provides more information about an api.Status failure, including
diff --git a/pkg/api/v1beta3/types.go b/pkg/api/v1beta3/types.go
index 29e3ab195e3..485307326b2 100644
--- a/pkg/api/v1beta3/types.go
+++ b/pkg/api/v1beta3/types.go
@@ -531,7 +531,7 @@ const (
 	//   "Location" - HTTP header populated with a URL that can retrieved the final
 	//                status of this operation.
 	// Status code 202
-	StatusReasonWorking StatusReason = "working"
+	StatusReasonWorking StatusReason = "Working"
 
 	// StatusReasonNotFound means one or more resources required for this operation
 	// could not be found.
@@ -541,21 +541,21 @@ const (
 	//                   resource.
 	//   "id"   string - the identifier of the missing resource
 	// Status code 404
-	StatusReasonNotFound StatusReason = "not_found"
+	StatusReasonNotFound StatusReason = "NotFound"
 
 	// StatusReasonAlreadyExists means the resource you are creating already exists.
 	// Details (optional):
 	//   "kind" string - the kind attribute of the conflicting resource
 	//   "id"   string - the identifier of the conflicting resource
 	// Status code 409
-	StatusReasonAlreadyExists StatusReason = "already_exists"
+	StatusReasonAlreadyExists StatusReason = "AlreadyExists"
 
 	// StatusReasonConflict means the requested update operation cannot be completed
 	// due to a conflict in the operation. The client may need to alter the request.
 	// Each resource may define custom details that indicate the nature of the
 	// conflict.
 	// Status code 409
-	StatusReasonConflict StatusReason = "conflict"
+	StatusReasonConflict StatusReason = "Conflict"
 
 	// StatusReasonInvalid means the requested create or update operation cannot be
 	// completed due to invalid data provided as part of the request. The client may
@@ -568,7 +568,7 @@ const (
 	//                   provided resource that was invalid.  The code, message, and
 	//                   field attributes will be set.
 	// Status code 422
-	StatusReasonInvalid StatusReason = "invalid"
+	StatusReasonInvalid StatusReason = "Invalid"
 )
 
 // StatusCause provides more information about an api.Status failure, including
diff --git a/pkg/apiserver/apiserver_test.go b/pkg/apiserver/apiserver_test.go
index c5d713a14a5..79fc5dfc4f4 100644
--- a/pkg/apiserver/apiserver_test.go
+++ b/pkg/apiserver/apiserver_test.go
@@ -706,7 +706,7 @@ func TestAsyncCreateError(t *testing.T) {
 	expectedStatus := &api.Status{
 		Status:  api.StatusFailure,
 		Code:    http.StatusConflict,
-		Reason:  "already_exists",
+		Reason:  "AlreadyExists",
 		Message: expectedErr.Error(),
 		Details: &api.StatusDetails{
 			Kind: "foo",
diff --git a/pkg/apiserver/errors_test.go b/pkg/apiserver/errors_test.go
index 13b3ae4ad83..62f6ed1311e 100644
--- a/pkg/apiserver/errors_test.go
+++ b/pkg/apiserver/errors_test.go
@@ -39,7 +39,7 @@ func TestErrorsToAPIStatus(t *testing.T) {
 		errors.NewAlreadyExists("foo", "bar"): {
 			Status:  api.StatusFailure,
 			Code:    http.StatusConflict,
-			Reason:  "already_exists",
+			Reason:  "AlreadyExists",
 			Message: "foo \"bar\" already exists",
 			Details: &api.StatusDetails{
 				Kind: "foo",
@@ -49,7 +49,7 @@ func TestErrorsToAPIStatus(t *testing.T) {
 		errors.NewConflict("foo", "bar", stderrs.New("failure")): {
 			Status:  api.StatusFailure,
 			Code:    http.StatusConflict,
-			Reason:  "conflict",
+			Reason:  "Conflict",
 			Message: "foo \"bar\" cannot be updated: failure",
 			Details: &api.StatusDetails{
 				Kind: "foo",