diff --git a/src/osx/cocoa/textctrl.mm b/src/osx/cocoa/textctrl.mm
index cb12954e4b..ec32b8be4d 100644
--- a/src/osx/cocoa/textctrl.mm
+++ b/src/osx/cocoa/textctrl.mm
@@ -583,7 +583,6 @@ wxNSTextViewControl::wxNSTextViewControl( wxTextCtrl *wxPeer, WXWidget w )
     if ( !wxPeer->HasFlag(wxTE_RICH | wxTE_RICH2) )
     {
         [tv setRichText:NO];
-        [tv setAutomaticQuoteSubstitutionEnabled:NO];
     }
 
     [m_scrollView setDocumentView: tv];