diff --git a/manuskript/ui/views/outlineDelegates.py b/manuskript/ui/views/outlineDelegates.py
index 48bba8ee..4fdc0f23 100644
--- a/manuskript/ui/views/outlineDelegates.py
+++ b/manuskript/ui/views/outlineDelegates.py
@@ -313,7 +313,7 @@ class outlineLabelDelegate(QStyledItemDelegate):
         idx = self.mdlLabels.indexFromItem(item)
         opt = QStyleOptionViewItem(option)
         self.initStyleOption(opt, idx)
-        s = qApp.style().sizeFromContents(QStyle.CT_ItemViewItem, opt, QSize())
+        s = qApp.style().sizeFromContents(QStyle.CT_ItemViewItem, opt, QSize(), None)
         if s.width() > 150:
             s.setWidth(150)
         elif s.width() < 50:
diff --git a/manuskript/ui/views/treeDelegates.py b/manuskript/ui/views/treeDelegates.py
index fa59702c..2e162e41 100644
--- a/manuskript/ui/views/treeDelegates.py
+++ b/manuskript/ui/views/treeDelegates.py
@@ -34,8 +34,8 @@ class treeTitleDelegate(QStyledItemDelegate):
         opt = QStyleOptionViewItem(option)
         self.initStyleOption(opt, index)
 
-        iconRect = style.subElementRect(style.SE_ItemViewItemDecoration, opt)
-        textRect = style.subElementRect(style.SE_ItemViewItemText, opt)
+        iconRect = style.subElementRect(style.SE_ItemViewItemDecoration, opt, None)
+        textRect = style.subElementRect(style.SE_ItemViewItemText, opt, None)
 
         # Background
         style.drawPrimitive(style.PE_PanelItemViewItem, opt, painter)