diff --git a/pronterface.py b/pronterface.py
index a5093b0..585fb3f 100755
--- a/pronterface.py
+++ b/pronterface.py
@@ -680,8 +680,6 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
         fn=self.filename
         try:
             self.filename=self.filename.replace(".stl","_export.gcode")
-            if not os.file.exists(self.filename):
-                self.filename.replace("_export","")
             self.f=[i.replace("\n","").replace("\r","") for i in open(self.filename)]
             if self.p.online:
                     wx.CallAfter(self.printbtn.Enable)