diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index 1ec735f..998bbaa 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -1,7 +1,10 @@
-What's New in IDLE 1.0+?
+What's New in IDLE 1.1a0?
 ===================================
 
-*Release date: XX-XXX-2003*
+*Release date: XX-XXX-2004*
+
+- Print correct exception even if source file changed since shell was 
+  restarted.  IDLEfork Patch 869012 Noam Raphael
 
 - Keybindings with the Shift modifier now work correctly.  So do bindings which
   use the Space key.  Limit unmodified user keybindings to the function keys.
diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py
index d1fe08f..8cfa808 100644
--- a/Lib/idlelib/run.py
+++ b/Lib/idlelib/run.py
@@ -109,6 +109,8 @@
     server.handle_request() # A single request only
 
 def print_exception():
+    import linecache
+    linecache.checkcache()
     flush_stdout()
     efile = sys.stderr
     typ, val, tb = excinfo = sys.exc_info()