diff --git a/Lib/idlelib/pyshell.py b/Lib/idlelib/pyshell.py
index d8b2652d5d7979..e882c6cb3b8d19 100755
--- a/Lib/idlelib/pyshell.py
+++ b/Lib/idlelib/pyshell.py
@@ -706,7 +706,7 @@ def prepend_syspath(self, filename):
             del _filename, _sys, _dirname, _dir
             \n""".format(filename))
 
-    def showsyntaxerror(self, filename=None):
+    def showsyntaxerror(self, filename=None, **kwargs):
         """Override Interactive Interpreter method: Use Colorizing
 
         Color the offending position instead of printing it and pointing at it