diff --git a/src/plugins/cmakeprojectmanager/cmakeeditor.cpp b/src/plugins/cmakeprojectmanager/cmakeeditor.cpp
index da4bc6e7987..b46772758cf 100644
--- a/src/plugins/cmakeprojectmanager/cmakeeditor.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakeeditor.cpp
@@ -152,11 +152,20 @@ QString CMakeEditor::contextHelpId() const
 
 CMakeEditorWidget::CMakeEditorWidget(QWidget *parent)
     : BaseTextEditorWidget(new CMakeDocument(), parent)
-{}
+{
+    ctor();
+}
 
 CMakeEditorWidget::CMakeEditorWidget(CMakeEditorWidget *other)
     : BaseTextEditorWidget(other)
-{}
+{
+    ctor();
+}
+
+void CMakeEditorWidget::ctor()
+{
+    setCodeFoldingSupported(true);
+}
 
 TextEditor::BaseTextEditor *CMakeEditorWidget::createEditor()
 {
diff --git a/src/plugins/cmakeprojectmanager/cmakeeditor.h b/src/plugins/cmakeprojectmanager/cmakeeditor.h
index 5c59481d477..3f213de84f1 100644
--- a/src/plugins/cmakeprojectmanager/cmakeeditor.h
+++ b/src/plugins/cmakeprojectmanager/cmakeeditor.h
@@ -79,6 +79,7 @@ protected:
 
 private:
     CMakeEditorWidget(TextEditor::BaseTextEditorWidget *); // avoid stupidity
+    void ctor();
 };
 
 class CMakeDocument : public TextEditor::BaseTextDocument