diff --git a/src/modules/partition/gui/ExpandableRadioButton.cpp b/src/modules/partition/gui/ExpandableRadioButton.cpp
index 886753cd8..74cbbe6c6 100644
--- a/src/modules/partition/gui/ExpandableRadioButton.cpp
+++ b/src/modules/partition/gui/ExpandableRadioButton.cpp
@@ -61,7 +61,11 @@ ExpandableRadioButton::setExpandableWidget( QWidget* widget )
     updateGeometry();
 
     connect( m_radio, &QRadioButton::toggled,
-             m_expandableWidget, &QWidget::setVisible );
+             this, [this]( bool visible )
+    {
+        m_expandableWidget->setVisible( visible );
+        emit expanded( visible );
+    } );
 }
 
 
diff --git a/src/modules/partition/gui/ExpandableRadioButton.h b/src/modules/partition/gui/ExpandableRadioButton.h
index 4ac57ef97..c46016acb 100644
--- a/src/modules/partition/gui/ExpandableRadioButton.h
+++ b/src/modules/partition/gui/ExpandableRadioButton.h
@@ -36,6 +36,9 @@ public:
     void setExpandableWidget( QWidget* widget );
     QWidget* expandableWidget() const;
 
+signals:
+    void expanded( bool );
+
 private:
     QWidget* m_expandableWidget;
     bool m_expanded;