diff --git a/src/plugins/texteditor/basetexteditor.cpp b/src/plugins/texteditor/basetexteditor.cpp
index a05df114a2c..7cee89f78ce 100644
--- a/src/plugins/texteditor/basetexteditor.cpp
+++ b/src/plugins/texteditor/basetexteditor.cpp
@@ -5773,6 +5773,7 @@ void BaseTextEditorWidget::unfoldAll()
 void BaseTextEditorWidget::setReadOnly(bool b)
 {
     QPlainTextEdit::setReadOnly(b);
+    emit readOnlyChanged();
     if (b)
         setTextInteractionFlags(textInteractionFlags() | Qt::TextSelectableByKeyboard);
 }
diff --git a/src/plugins/texteditor/basetexteditor.h b/src/plugins/texteditor/basetexteditor.h
index 06121362e95..6994a90e974 100644
--- a/src/plugins/texteditor/basetexteditor.h
+++ b/src/plugins/texteditor/basetexteditor.h
@@ -325,6 +325,7 @@ public slots:
 signals:
     void changed();
     void assistFinished();
+    void readOnlyChanged();
 
     // ITextEditor
     void contentsChanged();
diff --git a/src/plugins/texteditor/texteditoractionhandler.cpp b/src/plugins/texteditor/texteditoractionhandler.cpp
index 15cd1c82c4d..d9da8289b80 100644
--- a/src/plugins/texteditor/texteditoractionhandler.cpp
+++ b/src/plugins/texteditor/texteditoractionhandler.cpp
@@ -122,6 +122,7 @@ void TextEditorActionHandler::setupActions(BaseTextEditorWidget *editor)
     QObject::connect(editor, SIGNAL(undoAvailable(bool)), this, SLOT(updateUndoAction()));
     QObject::connect(editor, SIGNAL(redoAvailable(bool)), this, SLOT(updateRedoAction()));
     QObject::connect(editor, SIGNAL(copyAvailable(bool)), this, SLOT(updateCopyAction()));
+    QObject::connect(editor, SIGNAL(readOnlyChanged()), this, SLOT(updateActions()));
 }