diff --git a/Lib/idlelib/pyshell.py b/Lib/idlelib/pyshell.py
index b69916dbe87..adc302883ae 100755
--- a/Lib/idlelib/pyshell.py
+++ b/Lib/idlelib/pyshell.py
@@ -757,7 +757,7 @@ class ModifiedInterpreter(InteractiveInterpreter):
     def runcode(self, code):
         "Override base class method"
         if self.tkconsole.executing:
-            self.interp.restart_subprocess()
+            self.restart_subprocess()
         self.checklinecache()
         debugger = self.debugger
         try: