diff --git a/hcloud/schema_gen.go b/hcloud/schema_gen.go
index 1008bddd..e4a301cd 100644
--- a/hcloud/schema_gen.go
+++ b/hcloud/schema_gen.go
@@ -78,6 +78,8 @@ You can find a documentation of goverter here: https://goverter.jmattheis.de/
 // goverter:extend schemaFromLoadBalancerCreateOptsTargetServer
 // goverter:extend schemaFromLoadBalancerCreateOptsTargetIP
 // goverter:extend stringMapToStringMapPtr
+// goverter:extend int64SlicePtrFromCertificatePtrSlice
+// goverter:extend stringSlicePtrFromStringSlice
 type converter interface {
 
 	// goverter:map Error.Code ErrorCode
@@ -926,3 +928,22 @@ func mapZeroFloat32ToNil(f float32) *float32 {
 func isDeprecationNotNil(d *DeprecationInfo) bool {
 	return d != nil
 }
+
+// this is needed so that a nil slice is mapped to nil instead of &nil
+func int64SlicePtrFromCertificatePtrSlice(s []*Certificate) *[]int64 {
+	if s == nil {
+		return nil
+	}
+	var ids = make([]int64, len(s))
+	for i, cert := range s {
+		ids[i] = cert.ID
+	}
+	return &ids
+}
+
+func stringSlicePtrFromStringSlice(s []string) *[]string {
+	if s == nil {
+		return nil
+	}
+	return &s
+}
diff --git a/hcloud/schema_test.go b/hcloud/schema_test.go
index 18d49b5d..73bf4f66 100644
--- a/hcloud/schema_test.go
+++ b/hcloud/schema_test.go
@@ -1797,8 +1797,18 @@ func TestLoadBalancerUpdateServiceOptsToSchema(t *testing.T) {
 		Request schema.LoadBalancerActionUpdateServiceRequest
 	}{
 		"empty": {
-			Opts:    LoadBalancerUpdateServiceOpts{},
-			Request: schema.LoadBalancerActionUpdateServiceRequest{},
+			Opts: LoadBalancerUpdateServiceOpts{
+				HTTP: &LoadBalancerUpdateServiceOptsHTTP{},
+				HealthCheck: &LoadBalancerUpdateServiceOptsHealthCheck{
+					HTTP: &LoadBalancerUpdateServiceOptsHealthCheckHTTP{},
+				},
+			},
+			Request: schema.LoadBalancerActionUpdateServiceRequest{
+				HTTP: &schema.LoadBalancerActionUpdateServiceRequestHTTP{},
+				HealthCheck: &schema.LoadBalancerActionUpdateServiceRequestHealthCheck{
+					HTTP: &schema.LoadBalancerActionUpdateServiceRequestHealthCheckHTTP{},
+				},
+			},
 		},
 		"all set": {
 			Opts: LoadBalancerUpdateServiceOpts{
diff --git a/hcloud/zz_schema.go b/hcloud/zz_schema.go
index a908ab36..f546a4e3 100755
--- a/hcloud/zz_schema.go
+++ b/hcloud/zz_schema.go
@@ -1706,14 +1706,7 @@ func (c *converterImpl) pHcloudLoadBalancerAddServiceOptsHTTPToPSchemaLoadBalanc
 			pInt = &xint
 		}
 		schemaLoadBalancerActionAddServiceRequestHTTP.CookieLifetime = pInt
-		var int64List []int64
-		if (*source).Certificates != nil {
-			int64List = make([]int64, len((*source).Certificates))
-			for i := 0; i < len((*source).Certificates); i++ {
-				int64List[i] = int64FromCertificate((*source).Certificates[i])
-			}
-		}
-		schemaLoadBalancerActionAddServiceRequestHTTP.Certificates = &int64List
+		schemaLoadBalancerActionAddServiceRequestHTTP.Certificates = int64SlicePtrFromCertificatePtrSlice((*source).Certificates)
 		schemaLoadBalancerActionAddServiceRequestHTTP.RedirectHTTP = (*source).RedirectHTTP
 		schemaLoadBalancerActionAddServiceRequestHTTP.StickySessions = (*source).StickySessions
 		pSchemaLoadBalancerActionAddServiceRequestHTTP = &schemaLoadBalancerActionAddServiceRequestHTTP
@@ -1727,7 +1720,7 @@ func (c *converterImpl) pHcloudLoadBalancerAddServiceOptsHealthCheckHTTPToPSchem
 		schemaLoadBalancerActionAddServiceRequestHealthCheckHTTP.Domain = (*source).Domain
 		schemaLoadBalancerActionAddServiceRequestHealthCheckHTTP.Path = (*source).Path
 		schemaLoadBalancerActionAddServiceRequestHealthCheckHTTP.Response = (*source).Response
-		schemaLoadBalancerActionAddServiceRequestHealthCheckHTTP.StatusCodes = &(*source).StatusCodes
+		schemaLoadBalancerActionAddServiceRequestHealthCheckHTTP.StatusCodes = stringSlicePtrFromStringSlice((*source).StatusCodes)
 		schemaLoadBalancerActionAddServiceRequestHealthCheckHTTP.TLS = (*source).TLS
 		pSchemaLoadBalancerActionAddServiceRequestHealthCheckHTTP = &schemaLoadBalancerActionAddServiceRequestHealthCheckHTTP
 	}
@@ -1777,14 +1770,7 @@ func (c *converterImpl) pHcloudLoadBalancerCreateOptsServiceHTTPToPSchemaLoadBal
 			pInt = &xint
 		}
 		schemaLoadBalancerCreateRequestServiceHTTP.CookieLifetime = pInt
-		var int64List []int64
-		if (*source).Certificates != nil {
-			int64List = make([]int64, len((*source).Certificates))
-			for i := 0; i < len((*source).Certificates); i++ {
-				int64List[i] = int64FromCertificate((*source).Certificates[i])
-			}
-		}
-		schemaLoadBalancerCreateRequestServiceHTTP.Certificates = &int64List
+		schemaLoadBalancerCreateRequestServiceHTTP.Certificates = int64SlicePtrFromCertificatePtrSlice((*source).Certificates)
 		schemaLoadBalancerCreateRequestServiceHTTP.RedirectHTTP = (*source).RedirectHTTP
 		schemaLoadBalancerCreateRequestServiceHTTP.StickySessions = (*source).StickySessions
 		pSchemaLoadBalancerCreateRequestServiceHTTP = &schemaLoadBalancerCreateRequestServiceHTTP
@@ -1798,7 +1784,7 @@ func (c *converterImpl) pHcloudLoadBalancerCreateOptsServiceHealthCheckHTTPToPSc
 		schemaLoadBalancerCreateRequestServiceHealthCheckHTTP.Domain = (*source).Domain
 		schemaLoadBalancerCreateRequestServiceHealthCheckHTTP.Path = (*source).Path
 		schemaLoadBalancerCreateRequestServiceHealthCheckHTTP.Response = (*source).Response
-		schemaLoadBalancerCreateRequestServiceHealthCheckHTTP.StatusCodes = &(*source).StatusCodes
+		schemaLoadBalancerCreateRequestServiceHealthCheckHTTP.StatusCodes = stringSlicePtrFromStringSlice((*source).StatusCodes)
 		schemaLoadBalancerCreateRequestServiceHealthCheckHTTP.TLS = (*source).TLS
 		pSchemaLoadBalancerCreateRequestServiceHealthCheckHTTP = &schemaLoadBalancerCreateRequestServiceHealthCheckHTTP
 	}
@@ -1885,14 +1871,7 @@ func (c *converterImpl) pHcloudLoadBalancerUpdateServiceOptsHTTPToPSchemaLoadBal
 			pInt = &xint
 		}
 		schemaLoadBalancerActionUpdateServiceRequestHTTP.CookieLifetime = pInt
-		var int64List []int64
-		if (*source).Certificates != nil {
-			int64List = make([]int64, len((*source).Certificates))
-			for i := 0; i < len((*source).Certificates); i++ {
-				int64List[i] = int64FromCertificate((*source).Certificates[i])
-			}
-		}
-		schemaLoadBalancerActionUpdateServiceRequestHTTP.Certificates = &int64List
+		schemaLoadBalancerActionUpdateServiceRequestHTTP.Certificates = int64SlicePtrFromCertificatePtrSlice((*source).Certificates)
 		schemaLoadBalancerActionUpdateServiceRequestHTTP.RedirectHTTP = (*source).RedirectHTTP
 		schemaLoadBalancerActionUpdateServiceRequestHTTP.StickySessions = (*source).StickySessions
 		pSchemaLoadBalancerActionUpdateServiceRequestHTTP = &schemaLoadBalancerActionUpdateServiceRequestHTTP
@@ -1906,7 +1885,7 @@ func (c *converterImpl) pHcloudLoadBalancerUpdateServiceOptsHealthCheckHTTPToPSc
 		schemaLoadBalancerActionUpdateServiceRequestHealthCheckHTTP.Domain = (*source).Domain
 		schemaLoadBalancerActionUpdateServiceRequestHealthCheckHTTP.Path = (*source).Path
 		schemaLoadBalancerActionUpdateServiceRequestHealthCheckHTTP.Response = (*source).Response
-		schemaLoadBalancerActionUpdateServiceRequestHealthCheckHTTP.StatusCodes = &(*source).StatusCodes
+		schemaLoadBalancerActionUpdateServiceRequestHealthCheckHTTP.StatusCodes = stringSlicePtrFromStringSlice((*source).StatusCodes)
 		schemaLoadBalancerActionUpdateServiceRequestHealthCheckHTTP.TLS = (*source).TLS
 		pSchemaLoadBalancerActionUpdateServiceRequestHealthCheckHTTP = &schemaLoadBalancerActionUpdateServiceRequestHealthCheckHTTP
 	}