diff --git a/src/widgets/Notebook.cpp b/src/widgets/Notebook.cpp
index 0edcf6d9..59607d7c 100644
--- a/src/widgets/Notebook.cpp
+++ b/src/widgets/Notebook.cpp
@@ -1247,6 +1247,8 @@ bool Notebook::shouldShowTab(const NotebookTab *tab) const
 
 void Notebook::sortTabsAlphabetically()
 {
+    assert(!this->isNotebookLayoutLocked() &&
+           "sortTabsAlphabetically called while notebook layout is locked");
     std::ranges::sort(this->items_, [](const Item &a, const Item &b) {
         const QString &lhs = a.tab->getTitle();
         const QString &rhs = b.tab->getTitle();
@@ -1320,6 +1322,10 @@ SplitNotebook::SplitNotebook(Window *parent)
 
     this->sortTabsAlphabeticallyAction_ =
         new QAction("Sort Tabs Alphabetically", this);
+    if (this->isNotebookLayoutLocked())
+    {
+        this->sortTabsAlphabeticallyAction_->setEnabled(false);
+    }
     QObject::connect(this->sortTabsAlphabeticallyAction_, &QAction::triggered,
                      [this] {
                          this->sortTabsAlphabetically();
@@ -1632,4 +1638,10 @@ void SplitNotebook::forEachSplit(const std::function<void(Split *)> &cb)
     }
 }
 
+void SplitNotebook::setLockNotebookLayout(bool value)
+{
+    this->Notebook::setLockNotebookLayout(value);
+    this->sortTabsAlphabeticallyAction_->setEnabled(!value);
+}
+
 }  // namespace chatterino
diff --git a/src/widgets/Notebook.hpp b/src/widgets/Notebook.hpp
index 01e158ba..decba290 100644
--- a/src/widgets/Notebook.hpp
+++ b/src/widgets/Notebook.hpp
@@ -115,7 +115,7 @@ public:
     void setTabLocation(NotebookTabLocation location);
 
     bool isNotebookLayoutLocked() const;
-    void setLockNotebookLayout(bool value);
+    virtual void setLockNotebookLayout(bool value);
 
     virtual void addNotebookActionsToMenu(QMenu *menu);
 
@@ -275,6 +275,8 @@ private:
     // Main window on Windows has basically a duplicate of this in Window
     PixmapButton *streamerModeIcon_{};
     void updateStreamerModeIcon();
+
+    void setLockNotebookLayout(bool value) override;
 };
 
 }  // namespace chatterino