diff --git a/src/plugins/cppeditor/cppincludehierarchy.cpp b/src/plugins/cppeditor/cppincludehierarchy.cpp
index e32467d2380..f78492f033f 100644
--- a/src/plugins/cppeditor/cppincludehierarchy.cpp
+++ b/src/plugins/cppeditor/cppincludehierarchy.cpp
@@ -103,8 +103,7 @@ CppIncludeHierarchyWidget::CppIncludeHierarchyWidget() :
     m_treeView->setModel(m_model);
     m_treeView->setEditTriggers(QAbstractItemView::NoEditTriggers);
     m_treeView->setItemDelegate(m_delegate);
-
-    connect(m_treeView, SIGNAL(clicked(QModelIndex)), this, SLOT(onItemClicked(QModelIndex)));
+    connect(m_treeView, SIGNAL(activated(QModelIndex)), this, SLOT(onItemActivated(QModelIndex)));
 
     m_includeHierarchyInfoLabel = new QLabel(tr("No include hierarchy available"), this);
     m_includeHierarchyInfoLabel->setAlignment(Qt::AlignCenter);
@@ -157,7 +156,7 @@ void CppIncludeHierarchyWidget::perform()
     showIncludeHierarchy();
 }
 
-void CppIncludeHierarchyWidget::onItemClicked(const QModelIndex &index)
+void CppIncludeHierarchyWidget::onItemActivated(const QModelIndex &index)
 {
     const TextEditor::BaseTextEditorWidget::Link link
             = index.data(LinkRole).value<TextEditor::BaseTextEditorWidget::Link>();
diff --git a/src/plugins/cppeditor/cppincludehierarchy.h b/src/plugins/cppeditor/cppincludehierarchy.h
index 21d515067f5..a420eadbea4 100644
--- a/src/plugins/cppeditor/cppincludehierarchy.h
+++ b/src/plugins/cppeditor/cppincludehierarchy.h
@@ -71,7 +71,7 @@ public slots:
     void perform();
 
 private slots:
-    void onItemClicked(const QModelIndex &index);
+    void onItemActivated(const QModelIndex &index);
     void editorsClosed(QList<Core::IEditor *> editors);
 
 private: