diff --git a/IPython/Shell.py b/IPython/Shell.py
index 3d84f3c..77873af 100644
--- a/IPython/Shell.py
+++ b/IPython/Shell.py
@@ -384,6 +384,10 @@ class MTInteractiveShell(InteractiveShell):
         if KBINT:
             KBINT = False
             return False
+
+        if self._kill:
+            # can't queue new code if we are being killed
+            return True
         
         try:
             code = self.compile(source, filename, symbol)