diff --git a/components/qtmaterialautocomplete_internal.h b/components/qtmaterialautocomplete_internal.h
index 3eae5be..7e76bd5 100644
--- a/components/qtmaterialautocomplete_internal.h
+++ b/components/qtmaterialautocomplete_internal.h
@@ -21,9 +21,9 @@ private:
     Q_DISABLE_COPY(QtMaterialAutoCompleteStateMachine)
 
     QWidget *const m_menu;
-    QState  *m_closedState;
-    QState  *m_openState;
-    QState  *m_closingState;
+    QState  *const m_closedState;
+    QState  *const m_openState;
+    QState  *const m_closingState;
 };
 
 #endif // QTMATERIALAUTOCOMPLETESTATEMACHINE_H
diff --git a/components/qtmaterialscrollbar_internal.h b/components/qtmaterialscrollbar_internal.h
index adffdbd..7b1cc92 100644
--- a/components/qtmaterialscrollbar_internal.h
+++ b/components/qtmaterialscrollbar_internal.h
@@ -21,8 +21,8 @@ private:
     Q_DISABLE_COPY(QtMaterialScrollBarStateMachine)
 
     QtMaterialScrollBar *const m_scrollBar;
-    QState              *m_focusState;
-    QState              *m_blurState;
+    QState              *const m_focusState;
+    QState              *const m_blurState;
     qreal                m_opacity;
 };