diff --git a/novelwriter/tools/manuscript.py b/novelwriter/tools/manuscript.py
index ed25277b..17909a8d 100644
--- a/novelwriter/tools/manuscript.py
+++ b/novelwriter/tools/manuscript.py
@@ -836,7 +836,7 @@ class _PreviewWidget(QTextBrowser):
             font = QFont()
             font.setFamily(family)
             font.setPointSize(size)
-            self.setFont(font)
+            self.document().setDefaultFont(font)
         return
 
     ##