--- a/QScintilla/Exporters/ExporterRTF.py	Sat Feb 03 10:45:52 2018 +0100
+++ b/QScintilla/Exporters/ExporterRTF.py	Sat Feb 03 16:15:24 2018 +0100
@@ -128,7 +128,7 @@
             self.editor.recolor(0, -1)
             lex = self.editor.getLexer()
             
-            tabSize = Preferences.getEditor("TabWidth")
+            tabSize = self.editor.getEditorConfig("TabWidth")
             if tabSize == 0:
                 tabSize = 4
             wysiwyg = Preferences.getEditorExporter("RTF/WYSIWYG")