diff --git a/components/checkbox.cpp b/components/checkbox.cpp
index d68c93d..32978e7 100644
--- a/components/checkbox.cpp
+++ b/components/checkbox.cpp
@@ -19,25 +19,27 @@ CheckBoxPrivate::~CheckBoxPrivate()
 
 void CheckBoxPrivate::init()
 {
+    Q_Q(CheckBox);
+
     QPropertyAnimation *animation;
 
-    animation = new QPropertyAnimation(checkedIcon, "iconSize");
+    animation = new QPropertyAnimation(checkedIcon, "iconSize", q);
     animation->setStartValue(0);
     animation->setEndValue(24);
     animation->setDuration(250);
     uncheckedTransition->addAnimation(animation);
 
-    animation = new QPropertyAnimation(uncheckedIcon, "color");
+    animation = new QPropertyAnimation(uncheckedIcon, "color", q);
     animation->setDuration(250);
     uncheckedTransition->addAnimation(animation);
 
     //
 
-    animation = new QPropertyAnimation(uncheckedIcon, "color");
+    animation = new QPropertyAnimation(uncheckedIcon, "color", q);
     animation->setDuration(550);
     checkedTransition->addAnimation(animation);
 
-    animation = new QPropertyAnimation(checkedIcon, "opacity");
+    animation = new QPropertyAnimation(checkedIcon, "opacity", q);
     animation->setDuration(450);
     checkedTransition->addAnimation(animation);
 
diff --git a/components/circularprogress.cpp b/components/circularprogress.cpp
index db51387..29ea6ac 100644
--- a/components/circularprogress.cpp
+++ b/components/circularprogress.cpp
@@ -9,7 +9,7 @@
 
 CircularProgressPrivate::CircularProgressPrivate(CircularProgress *q)
     : q_ptr(q),
-      delegate(0),
+      delegate(new CircularProgressDelegate(q)),
       progressType(Material::IndeterminateProgress),
       size(64),
       penWidth(6.25),
@@ -25,8 +25,6 @@ void CircularProgressPrivate::init()
 {
     Q_Q(CircularProgress);
 
-    delegate = new CircularProgressDelegate(q);
-
     QSizePolicy policy(QSizePolicy::MinimumExpanding,
                        QSizePolicy::MinimumExpanding);
     q->setSizePolicy(policy);
diff --git a/components/circularprogress_p.h b/components/circularprogress_p.h
index 30d2714..9ecf714 100644
--- a/components/circularprogress_p.h
+++ b/components/circularprogress_p.h
@@ -18,8 +18,8 @@ public:
 
     void init();
 
-    CircularProgress *const q_ptr;
-    CircularProgressDelegate *delegate;
+    CircularProgress         *const q_ptr;
+    CircularProgressDelegate *const delegate;
     Material::ProgressType progressType;
     int    size;
     qreal  penWidth;