diff --git a/src/plugins/clangformat/clangformatglobalconfigwidget.cpp b/src/plugins/clangformat/clangformatglobalconfigwidget.cpp
index 1b57403f32c..a0344e14eda 100644
--- a/src/plugins/clangformat/clangformatglobalconfigwidget.cpp
+++ b/src/plugins/clangformat/clangformatglobalconfigwidget.cpp
@@ -196,4 +196,10 @@ void ClangFormatGlobalConfigWidget::apply()
     settings.write();
 }
 
+void ClangFormatGlobalConfigWidget::finish()
+{
+    m_codeStyle->currentPreferences()->setTemporarilyReadOnly(
+        !ClangFormatSettings::instance().overrideDefaultFile());
+}
+
 } // namespace ClangFormat
diff --git a/src/plugins/clangformat/clangformatglobalconfigwidget.h b/src/plugins/clangformat/clangformatglobalconfigwidget.h
index 989aa58a925..063c82852a3 100644
--- a/src/plugins/clangformat/clangformatglobalconfigwidget.h
+++ b/src/plugins/clangformat/clangformatglobalconfigwidget.h
@@ -28,6 +28,7 @@ public:
                                            QWidget *parent = nullptr);
     ~ClangFormatGlobalConfigWidget() override;
     void apply() override;
+    void finish() override;
 
 private:
     void initCheckBoxes();
diff --git a/src/plugins/clangformat/clangformatutils.cpp b/src/plugins/clangformat/clangformatutils.cpp
index ca6fea8f18e..7ba6229db37 100644
--- a/src/plugins/clangformat/clangformatutils.cpp
+++ b/src/plugins/clangformat/clangformatutils.cpp
@@ -215,9 +215,10 @@ bool getCurrentOverriddenSettings(const Utils::FilePath &filePath)
     const ProjectExplorer::Project *project = ProjectExplorer::SessionManager::projectForFile(
         filePath);
 
-    return getProjectUseGlobalSettings(project)
-               ? ClangFormatSettings::instance().overrideDefaultFile()
-               : getProjectOverriddenSettings(project);
+    return getProjectUseGlobalSettings(project) ? !TextEditor::TextEditorSettings::codeStyle("Cpp")
+                                                       ->currentPreferences()
+                                                       ->isTemporarilyReadOnly()
+                                                : getProjectOverriddenSettings(project);
 }
 
 ClangFormatSettings::Mode getProjectIndentationOrFormattingSettings(
diff --git a/src/plugins/texteditor/codestyleeditor.cpp b/src/plugins/texteditor/codestyleeditor.cpp
index 6aaf5ae9483..ac75f1ad6d3 100644
--- a/src/plugins/texteditor/codestyleeditor.cpp
+++ b/src/plugins/texteditor/codestyleeditor.cpp
@@ -108,6 +108,9 @@ void CodeStyleEditor::finish()
 {
     if (m_widget)
         m_widget->finish();
+
+    if (m_additionalGlobalSettingsWidget)
+        m_additionalGlobalSettingsWidget->finish();
 }
 
 } // TextEditor