diff --git a/nw/gui/configeditor.py b/nw/gui/configeditor.py
index 5010e500..30f600fb 100644
--- a/nw/gui/configeditor.py
+++ b/nw/gui/configeditor.py
@@ -259,7 +259,7 @@ class GuiConfigEditGeneral(QWidget):
         self.mainConf.backupOnClose   = backupOnClose
         self.mainConf.askBeforeBackup = askBeforeBackup
 
-        self.mainConf.confChanged   = True
+        self.mainConf.confChanged = True
 
         return validEntries, needsRestart
 
diff --git a/nw/gui/winmain.py b/nw/gui/winmain.py
index f9f8a632..52ea0914 100644
--- a/nw/gui/winmain.py
+++ b/nw/gui/winmain.py
@@ -502,6 +502,7 @@ class GuiMain(QMainWindow):
             logger.debug("Applying new preferences")
             self.initMain()
             self.theTheme.updateTheme()
+            self.saveDocument()
             self.docEditor.initEditor()
             self.docViewer.initViewer()
         return True