diff --git a/src/plugins/qmldesigner/components/propertyeditor/propertyeditorvalue.cpp b/src/plugins/qmldesigner/components/propertyeditor/propertyeditorvalue.cpp
index 4d3661216c6b2b5314be0bc555053cb9de039dff..59bfd5db13c3f105c06fac3e7ecdb436392dcb13 100644
--- a/src/plugins/qmldesigner/components/propertyeditor/propertyeditorvalue.cpp
+++ b/src/plugins/qmldesigner/components/propertyeditor/propertyeditorvalue.cpp
@@ -229,7 +229,7 @@ PropertyEditorNodeWrapper::PropertyEditorNodeWrapper(PropertyEditorValue* parent
     connect(m_editorValue, SIGNAL(modelNodeChanged()), this, SLOT(update()));
 }
 
-PropertyEditorNodeWrapper::PropertyEditorNodeWrapper(QObject *parent) : QObject(parent)
+PropertyEditorNodeWrapper::PropertyEditorNodeWrapper(QObject *parent) : QObject(parent), m_editorValue(NULL)
 {
 }
 
diff --git a/src/plugins/qmldesigner/designercore/model/internalnode.cpp b/src/plugins/qmldesigner/designercore/model/internalnode.cpp
index 21183fdaab2f962ea6a62cc7deab8a21dd81c9e3..9d4d5ac0ff99d25478dc1e3bbd10ed8d60586356 100644
--- a/src/plugins/qmldesigner/designercore/model/internalnode.cpp
+++ b/src/plugins/qmldesigner/designercore/model/internalnode.cpp
@@ -48,7 +48,9 @@ namespace Internal {
   */
 
 InternalNode::InternalNode() :
-    m_valid(false)
+    m_valid(false),
+    m_majorVersion(0),
+    m_minorVersion(0)
 {
 }
 
diff --git a/src/plugins/qmldesigner/designersettings.cpp b/src/plugins/qmldesigner/designersettings.cpp
index 68dcb7fa968e512c8c7860a5d75f1bcc47593f71..dbc7341cf553a58dfd41a8286b1867873ca10bf2 100644
--- a/src/plugins/qmldesigner/designersettings.cpp
+++ b/src/plugins/qmldesigner/designersettings.cpp
@@ -35,8 +35,11 @@
 using namespace QmlDesigner;
 
 DesignerSettings::DesignerSettings()
-    : openDesignMode(QmlDesigner::Constants::QML_OPENDESIGNMODE_DEFAULT)
+    : openDesignMode(QmlDesigner::Constants::QML_OPENDESIGNMODE_DEFAULT),
+    itemSpacing(0),
+    snapMargin(0)
 {}
+
 void DesignerSettings::fromSettings(QSettings *settings)
 {
     settings->beginGroup(QLatin1String(QmlDesigner::Constants::QML_SETTINGS_GROUP));