diff --git a/pdfminer/pdfinterp.py b/pdfminer/pdfinterp.py
index a14f64a..b7a0ca7 100644
--- a/pdfminer/pdfinterp.py
+++ b/pdfminer/pdfinterp.py
@@ -769,7 +769,7 @@ class PDFPageInterpreter(object):
             if settings.STRICT:
                 raise PDFInterpreterError('No font specified!')
             return
-        self.device.render_string(self.textstate, seq, self.ncs, self.graphicstate.copy())
+        self.device.render_string(self.textstate, seq)#, self.ncs, self.graphicstate.copy())
         return
 
     # show