diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleComboBoxControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleComboBoxControl.java
index adfbc360..1bf53f91 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleComboBoxControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleComboBoxControl.java
@@ -47,9 +47,9 @@ public class SimpleComboBoxControl<V> extends SimpleControl<SingleSelectionField
    * - The readOnlyLabel is used to show the current selection in read only.
    * - The node is a StackPane to hold the field and read only label.
    */
-  private Label fieldLabel;
-  private ComboBox<V> comboBox;
-  private Label readOnlyLabel;
+  protected Label fieldLabel;
+  protected ComboBox<V> comboBox;
+  protected Label readOnlyLabel;
 
   /**
    * Constructs a SimpleComboBoxControl of {@link SimpleComboBoxControl} type, with visibility condition.
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleListViewControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleListViewControl.java
index aa9f738e..ccd144ab 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleListViewControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleListViewControl.java
@@ -44,12 +44,12 @@ public class SimpleListViewControl<V>
    * the field.
    * - The node is the container that displays list values.
    */
-  private Label fieldLabel;
+  protected Label fieldLabel;
 
   /**
    * The flag used for setting the selection properly.
    */
-  private boolean preventUpdate;
+  protected boolean preventUpdate;
 
   /**
    * Constructs a SimpleListViewControl of {@link SimpleListViewControl} type, with visibility condition.
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleNumberControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleNumberControl.java
index afa746d9..8d37c08e 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleNumberControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleNumberControl.java
@@ -44,9 +44,9 @@ public abstract class SimpleNumberControl<F extends DataField, D extends Number>
    * - The editableSpinner is a Spinner for setting numerical values.
    * - The readOnlyLabel is the label to put over editableSpinner.
    */
-  private Label fieldLabel;
+  protected Label fieldLabel;
   protected Spinner<D> editableSpinner;
-  private Label readOnlyLabel;
+  protected Label readOnlyLabel;
 
   /**
    * {@inheritDoc}
diff --git a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleTextControl.java b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleTextControl.java
index 16cf3538..6d329977 100644
--- a/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleTextControl.java
+++ b/preferencesfx/src/main/java/com/dlsc/preferencesfx/formsfx/view/controls/SimpleTextControl.java
@@ -46,10 +46,10 @@ public class SimpleTextControl extends SimpleControl<StringField, StackPane> {
    * - The editableField allows users to modify the field's value.
    * - The readOnlyLabel displays the field's value if it is not editable.
    */
-  private TextField editableField;
-  private TextArea editableArea;
-  private Label readOnlyLabel;
-  private Label fieldLabel;
+  protected TextField editableField;
+  protected TextArea editableArea;
+  protected Label readOnlyLabel;
+  protected Label fieldLabel;
 
   /**
    * Constructs a SimpleTextControl of {@link SimpleTextControl} type, with visibility condition.