diff --git a/novelwriter/extensions/novelselector.py b/novelwriter/extensions/novelselector.py
index 793a475d..44e5bf23 100644
--- a/novelwriter/extensions/novelselector.py
+++ b/novelwriter/extensions/novelselector.py
@@ -66,14 +66,10 @@ class NovelSelector(QComboBox):
 
     def setHandle(self, tHandle: str | None, blockSignal: bool = True) -> None:
         """Set the currently selected handle."""
-        self._blockSignal = blockSignal
-        if tHandle is None:
-            index = self.count() - 1
-        else:
-            index = self.findData(tHandle)
-        if index >= 0:
+        if (index := self.findData(tHandle) if tHandle else (self.count() - 1)) >= 0:
+            self._blockSignal = blockSignal
             self.setCurrentIndex(index)
-        self._blockSignal = False
+            self._blockSignal = False
         return
 
     def setIncludeAll(self, value: bool) -> None:
diff --git a/novelwriter/extensions/pagedsidebar.py b/novelwriter/extensions/pagedsidebar.py
index 185b4d8a..082e8a2a 100644
--- a/novelwriter/extensions/pagedsidebar.py
+++ b/novelwriter/extensions/pagedsidebar.py
@@ -45,10 +45,9 @@ class NPagedSideBar(QToolBar):
     def __init__(self, parent: QWidget) -> None:
         super().__init__(parent=parent)
 
-        self._buttons = []
-        self._actions = []
         self._labelCol = None
         self._spacerHeight = self.fontMetrics().height() // 2
+        self._buttons: dict[int, _NPagedToolButton] = {}
 
         self._group = QButtonGroup(self)
         self._group.setExclusive(True)
@@ -95,8 +94,7 @@ class NPagedSideBar(QToolBar):
         action = self.insertWidget(self._stretchAction, button)
         self._group.addButton(button, id=buttonId)
 
-        self._buttons.append(button)
-        self._actions.append(action)
+        self._buttons[buttonId] = button
 
         return action
 
diff --git a/novelwriter/tools/noveldetails.py b/novelwriter/tools/noveldetails.py
index 9139a655..3fcd54cc 100644
--- a/novelwriter/tools/noveldetails.py
+++ b/novelwriter/tools/noveldetails.py
@@ -78,7 +78,9 @@ class GuiNovelDetails(QDialog):
         # Novel Selector
         self.novelSelector = NovelSelector(self)
         self.novelSelector.refreshNovelList()
-        self.novelSelector.setHandle(options.getString("GuiNovelDetails", "novelRoot", ""))
+        self.novelSelector.setHandle(
+            options.getString("GuiNovelDetails", "novelRoot", self.novelSelector.firstHandle or "")
+        )
 
         # SideBar
         self.sidebar = NPagedSideBar(self)
@@ -424,17 +426,6 @@ class _ContentsPage(QWidget):
         options.setValue("GuiNovelDetails", "clearDouble",  self.dblValue.isChecked())
         return
 
-    def getColumnSizes(self) -> list[int]:
-        """Return the column widths for the tree columns."""
-        retVals = [
-            self.tocTree.columnWidth(0),
-            self.tocTree.columnWidth(1),
-            self.tocTree.columnWidth(2),
-            self.tocTree.columnWidth(3),
-            self.tocTree.columnWidth(4),
-        ]
-        return retVals
-
     ##
     #  Public Slots
     ##