diff --git a/src/modules/partition/gui/PartitionSplitterWidget.cpp b/src/modules/partition/gui/PartitionSplitterWidget.cpp
index cafb5e26a..b82a81e93 100644
--- a/src/modules/partition/gui/PartitionSplitterWidget.cpp
+++ b/src/modules/partition/gui/PartitionSplitterWidget.cpp
@@ -48,6 +48,7 @@ PartitionSplitterWidget::PartitionSplitterWidget( QWidget* parent )
     , m_itemPrefSize( 0 )
     , m_resizeHandleX( 0 )
     , HANDLE_SNAP( QApplication::startDragDistance() )
+    , m_drawNestedPartitions( false )
 {
     setMouseTracking( true );
 }