diff --git a/charts/postgres-operator/crds/operatorconfigurations.yaml b/charts/postgres-operator/crds/operatorconfigurations.yaml
index 3c9a2ece2..96150c87f 100644
--- a/charts/postgres-operator/crds/operatorconfigurations.yaml
+++ b/charts/postgres-operator/crds/operatorconfigurations.yaml
@@ -330,7 +330,7 @@ spec:
                     default: "db.example.com"
                   enable_master_load_balancer:
                     type: boolean
-                    default: false
+                    default: true
                   enable_replica_load_balancer:
                     type: boolean
                     default: false
diff --git a/charts/postgres-operator/postgres-operator-1.6.0.tgz b/charts/postgres-operator/postgres-operator-1.6.0.tgz
index 34fd9b4f5..a20c4c694 100644
Binary files a/charts/postgres-operator/postgres-operator-1.6.0.tgz and b/charts/postgres-operator/postgres-operator-1.6.0.tgz differ
diff --git a/manifests/operatorconfiguration.crd.yaml b/manifests/operatorconfiguration.crd.yaml
index 3cc43a616..f490b87fd 100644
--- a/manifests/operatorconfiguration.crd.yaml
+++ b/manifests/operatorconfiguration.crd.yaml
@@ -326,7 +326,7 @@ spec:
                     default: "db.example.com"
                   enable_master_load_balancer:
                     type: boolean
-                    default: false
+                    default: true
                   enable_replica_load_balancer:
                     type: boolean
                     default: false
diff --git a/pkg/apis/acid.zalan.do/v1/crds.go b/pkg/apis/acid.zalan.do/v1/crds.go
index 3d4ff09bc..77a63503d 100644
--- a/pkg/apis/acid.zalan.do/v1/crds.go
+++ b/pkg/apis/acid.zalan.do/v1/crds.go
@@ -106,7 +106,6 @@ var OperatorConfigCRDResourceColumns = []apiextv1.CustomResourceColumnDefinition
 
 var min0 = 0.0
 var min1 = 1.0
-var min2 = 2.0
 var minDisable = -1.0
 
 // PostgresCRDResourceValidation to check applied manifest parameters
@@ -232,7 +231,7 @@ var PostgresCRDResourceValidation = apiextv1.CustomResourceValidation{
 							},
 							"numberOfInstances": {
 								Type:    "integer",
-								Minimum: &min2,
+								Minimum: &min1,
 							},
 							"resources": {
 								Type:     "object",
@@ -1470,7 +1469,7 @@ var OperatorConfigCRDResourceValidation = apiextv1.CustomResourceValidation{
 							},
 							"connection_pooler_number_of_instances": {
 								Type:    "integer",
-								Minimum: &min2,
+								Minimum: &min1,
 							},
 							"connection_pooler_schema": {
 								Type: "string",
diff --git a/pkg/util/config/config.go b/pkg/util/config/config.go
index 72667df03..d77ad3136 100644
--- a/pkg/util/config/config.go
+++ b/pkg/util/config/config.go
@@ -176,7 +176,7 @@ type Config struct {
 	EnableAdminRoleForUsers                bool              `name:"enable_admin_role_for_users" default:"true"`
 	EnablePostgresTeamCRD                  bool              `name:"enable_postgres_team_crd" default:"false"`
 	EnablePostgresTeamCRDSuperusers        bool              `name:"enable_postgres_team_crd_superusers" default:"false"`
-	EnableMasterLoadBalancer               bool              `name:"enable_master_load_balancer" default:"false"`
+	EnableMasterLoadBalancer               bool              `name:"enable_master_load_balancer" default:"true"`
 	EnableReplicaLoadBalancer              bool              `name:"enable_replica_load_balancer" default:"false"`
 	CustomServiceAnnotations               map[string]string `name:"custom_service_annotations"`
 	CustomPodAnnotations                   map[string]string `name:"custom_pod_annotations"`